Create golden tests for sysroot wrapper.

- Golden files can be updated via the new "-updategolden" test flag.
- Golden files contain the wrapper command, commands executed by the wrapper
  stdout, stderr, exitcode of the wrapper
- The commands in the golden files are also compared to the old wrapper
  to make sure they are correct. We are also mocking less things in
  the old wrapper now, allowing to compare against differnet wrappers via
  golden tests in the future (e.g. clang_host_wrapper).
- Unit tests are no longer diffing against the old wrapper.

BUG=chromium:773875
TEST=unit test

Change-Id: I0755bfe11cd499474820c9354412d39a0fa04401
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1702633
Tested-by: Tobias Bosch <tbosch@google.com>
Reviewed-by: George Burgess <gbiv@chromium.org>

11 files changed, 8996 insertions, 130 deletions

diff --git a/compiler_wrapper/config.go b/compiler_wrapper/config.go
index 45e82575..93a8cc53 100644
--- a/compiler_wrapper/config.go
+++ b/compiler_wrapper/config.go
@@ -19,8 +19,6 @@ type config struct {
 	oldWrapperPath string
 	// Whether to mock out the calls that the old wrapper does.
 	mockOldWrapperCmds bool
-	// Whether to overwrite the config in the old wrapper.
-	overwriteOldWrapperCfg bool
 	// Directory to store errors that were prevented with -Wno-error.
 	newWarningsDir string
 }
diff --git a/compiler_wrapper/config_test.go b/compiler_wrapper/config_test.go
index 5578baf0..fd0763a8 100644
--- a/compiler_wrapper/config_test.go
+++ b/compiler_wrapper/config_test.go
@@ -1,85 +1,9 @@
 package main
 
 import (
-	"path/filepath"
 	"testing"
 )
 
-func TestFullHardeningConfigAndGcc(t *testing.T) {
-	withTestContext(t, func(ctx *testContext) {
-		initFullHardeningConfig(ctx)
-		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
-			ctx.newCommand(gccX86_64, mainCc)))
-		if err := verifyPath(cmd, "/usr/bin/ccache"); err != nil {
-			t.Error(err)
-		}
-		if err := verifyArgOrder(cmd, gccX86_64+".real", "--sysroot=/usr/x86_64-cros-linux-gnu", "-fno-reorder-blocks-and-partition",
-			"-Wno-unused-local-typedefs", "-Wno-maybe-uninitialized", "-fstack-protector-strong", "-fPIE", "-pie", "-D_FORTIFY_SOURCE=2",
-			"-fno-omit-frame-pointer", "main.cc", "-mno-movbe"); err != nil {
-			t.Error(err)
-		}
-	})
-}
-
-func TestFullHardeningConfigAndClang(t *testing.T) {
-	withTestContext(t, func(ctx *testContext) {
-		initFullHardeningConfig(ctx)
-		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
-			ctx.newCommand(clangX86_64, mainCc)))
-		if err := verifyPath(cmd, "/usr/bin/ccache"); err != nil {
-			t.Error(err)
-		}
-		clangPath, err := filepath.Rel(ctx.tempDir, "/usr/bin/clang")
-		if err != nil {
-			t.Error(err)
-		}
-		binPath, err := filepath.Rel(ctx.tempDir, "/bin")
-		if err := verifyArgOrder(cmd, clangPath, "--sysroot=/usr/x86_64-cros-linux-gnu", "-Qunused-arguments", "-grecord-gcc-switches",
-			"-fno-addrsig", "-Wno-tautological-constant-compare", "-Wno-tautological-unsigned-enum-zero-compare", "-Wno-unknown-warning-option",
-			"-Wno-section", "-fstack-protector-strong", "-fPIE", "-pie", "-D_FORTIFY_SOURCE=2", "-fno-omit-frame-pointer", "main.cc",
-			"-B"+binPath, "-target", "x86_64-cros-linux-gnu"); err != nil {
-			t.Error(err)
-		}
-	})
-}
-
-func TestNonHardeningConfigAndGcc(t *testing.T) {
-	withTestContext(t, func(ctx *testContext) {
-		initNonHardeningConfig(ctx)
-		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
-			ctx.newCommand(gccX86_64, mainCc)))
-		if err := verifyPath(cmd, "/usr/bin/ccache"); err != nil {
-			t.Error(err)
-		}
-		if err := verifyArgOrder(cmd, gccX86_64+".real", "--sysroot=/usr/x86_64-cros-linux-gnu",
-			"-Wno-maybe-uninitialized", "-Wno-unused-local-typedefs", "-Wno-deprecated-declarations",
-			"-Wtrampolines", "main.cc", "-mno-movbe"); err != nil {
-			t.Error(err)
-		}
-	})
-}
-
-func TestNonHardeningConfigAndClang(t *testing.T) {
-	withTestContext(t, func(ctx *testContext) {
-		initNonHardeningConfig(ctx)
-		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
-			ctx.newCommand(clangX86_64, mainCc)))
-		if err := verifyPath(cmd, "/usr/bin/ccache"); err != nil {
-			t.Error(err)
-		}
-		clangPath, err := filepath.Rel(ctx.tempDir, "/usr/bin/clang")
-		if err != nil {
-			t.Error(err)
-		}
-		binPath, err := filepath.Rel(ctx.tempDir, "/bin")
-		if err := verifyArgOrder(cmd, clangPath, "--sysroot=/usr/x86_64-cros-linux-gnu", "-Qunused-arguments",
-			"-Wno-tautological-constant-compare", "-Wno-tautological-unsigned-enum-zero-compare",
-			"-Wno-unknown-warning-option", "-Wno-section", "main.cc", "-B"+binPath, "-target", "x86_64-cros-linux-gnu"); err != nil {
-			t.Error(err)
-		}
-	})
-}
-
 func TestRealConfigWithUseCCacheFlag(t *testing.T) {
 	resetGlobals()
 	defer resetGlobals()
@@ -149,18 +73,6 @@ func isHardened(cfg *config) bool {
 	return false
 }
 
-func initFullHardeningConfig(ctx *testContext) {
-	useCCache := true
-	ctx.updateConfig(oldHardenedWrapperPathForTest, getCrosHardenedConfig(useCCache))
-	ctx.cfg.overwriteOldWrapperCfg = false
-}
-
-func initNonHardeningConfig(ctx *testContext) {
-	useCCache := true
-	ctx.updateConfig(oldNonHardenedWrapperPathForTest, getCrosNonHardenedConfig(useCCache))
-	ctx.cfg.overwriteOldWrapperCfg = false
-}
-
 func resetGlobals() {
 	// Set all global variables to a defined state.
 	ConfigName = "unknown"
diff --git a/compiler_wrapper/cros_hardened_config_test.go b/compiler_wrapper/cros_hardened_config_test.go
new file mode 100644
index 00000000..2efcc403
--- /dev/null
+++ b/compiler_wrapper/cros_hardened_config_test.go
@@ -0,0 +1,432 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"path"
+	"path/filepath"
+	"regexp"
+	"testing"
+)
+
+const oldHardenedWrapperPathForTest = "/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/gcc-bin/4.9.x/sysroot_wrapper.hardened"
+const crosHardenedGoldenFile = "testdata/cros_hardened_golden.json"
+const crosHardenedNoCCacheGoldenFile = "testdata/cros_hardened_noccache_golden.json"
+
+func TestCrosHardenedConfig(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		useCCache := true
+		ctx.updateConfig(oldHardenedWrapperPathForTest, getCrosHardenedConfig(useCCache))
+
+		runGoldenRecords(ctx, crosHardenedGoldenFile, createSyswrapperGoldenInputs(ctx))
+	})
+}
+
+func TestCrosHardenedConfigWithoutCCache(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		useCCache := false
+		ctx.updateConfig(oldHardenedWrapperPathForTest, getCrosHardenedConfig(useCCache))
+
+		// Create a copy of the old wrapper where the CCACHE_DEFAULT is false.
+		if ctx.cfg.oldWrapperPath != "" {
+			oldWrapperContent, err := ioutil.ReadFile(ctx.cfg.oldWrapperPath)
+			if err != nil {
+				t.Fatal(err)
+			}
+			oldWrapperContent = regexp.MustCompile(`True\s+#\s+@CCACHE_DEFAULT@`).ReplaceAll(oldWrapperContent, []byte("False #"))
+			ctx.cfg.oldWrapperPath = filepath.Join(ctx.tempDir, "oldwrapper_noccache")
+			if err := ioutil.WriteFile(ctx.cfg.oldWrapperPath, oldWrapperContent, 0666); err != nil {
+				t.Fatal(err)
+			}
+		}
+
+		// Only run the subset of the sysroot wrapper tests that execute commands.
+		gomaPath := path.Join(ctx.tempDir, "gomacc")
+		ctx.writeFile(gomaPath, "")
+		gomaEnv := "GOMACC_PATH=" + gomaPath
+		runGoldenRecords(ctx, crosHardenedNoCCacheGoldenFile, []goldenRecordSection{
+			createGccPathGoldenInputs(gomaEnv),
+			createClangPathGoldenInputs(gomaEnv),
+			createClangSyntaxGoldenInputs(gomaEnv),
+			createBisectGoldenInputs(),
+			createForceDisableWErrorGoldenInputs(),
+			createClangTidyGoldenInputs(gomaEnv),
+		})
+	})
+}
+
+func createSyswrapperGoldenInputs(ctx *testContext) []goldenRecordSection {
+	gomaPath := path.Join(ctx.tempDir, "gomacc")
+	ctx.writeFile(gomaPath, "")
+	gomaEnv := "GOMACC_PATH=" + gomaPath
+
+	return []goldenRecordSection{
+		createGccPathGoldenInputs(gomaEnv),
+		createGoldenInputsForAllTargets("gcc", mainCc),
+		createSysrootWrapperCommonGoldenInputs("gcc", gomaEnv),
+		{
+			Name: "gcc specific args",
+			Records: []goldenRecord{
+				{
+					WrapperCmd: newGoldenCmd(gccX86_64, "-march=goldmont", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(gccX86_64, "-march=goldmont-plus", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(gccX86_64, "-march=skylake", mainCc),
+					Cmds:       okResults,
+				},
+			},
+		},
+		createClangSyntaxGoldenInputs(gomaEnv),
+		createClangPathGoldenInputs(gomaEnv),
+		createGoldenInputsForAllTargets("clang", mainCc),
+		createGoldenInputsForAllTargets("clang", "-ftrapv", mainCc),
+		createSysrootWrapperCommonGoldenInputs("clang", gomaEnv),
+		{
+			Name: "clang specific args",
+			Records: []goldenRecord{
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-mno-movbe", "-pass-exit-codes", "-Wclobbered", "-Wno-psabi", "-Wlogical-op",
+						"-Wmissing-parameter-type", "-Wold-style-declaration", "-Woverride-init", "-Wunsafe-loop-optimizations",
+						"-Wstrict-aliasing=abc", "-finline-limit=abc", mainCc),
+					Cmds: okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Wno-error=cpp", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Wno-error=maybe-uninitialized", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Wno-error=unused-but-set-variable", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Wno-unused-but-set-variable", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Wunused-but-set-variable", mainCc),
+					Cmds:       okResults,
+				},
+				{
+					WrapperCmd: newGoldenCmd(clangX86_64, "-Xclang-only=-someflag", mainCc),
+					Cmds:       okResults,
+				},
+			},
+		},
+		createBisectGoldenInputs(),
+		createForceDisableWErrorGoldenInputs(),
+		createClangTidyGoldenInputs(gomaEnv),
+	}
+}
+
+func createGoldenInputsForAllTargets(compiler string, args ...string) goldenRecordSection {
+	return goldenRecordSection{
+		Name: fmt.Sprintf("%s %s target specific", compiler, args),
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-eabi-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-win-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv7m-cros-linux-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv7m-cros-linux-eabi-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv7m-cros-win-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv8m-cros-linux-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv8m-cros-linux-eabi-"+compiler, args...),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./armv8m-cros-win-gnu-"+compiler, args...),
+				Cmds:       okResults,
+			},
+		},
+	}
+}
+
+func createBisectGoldenInputs() goldenRecordSection {
+	return goldenRecordSection{
+		Name: "bisect",
+		// Disable comparing to the old wrapper as that calls the bisect_driver
+		// directly from python, and the new wrapper calls it via a separate
+		// sub command.
+		ignoreOldWrapper: true,
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env: []string{
+					"BISECT_STAGE=someBisectStage",
+					"BISECT_DIR=someBisectDir",
+				},
+				Cmds: okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env: []string{
+					"BISECT_STAGE=someBisectStage",
+					"BISECT_DIR=someBisectDir",
+				},
+				Cmds: errorResults,
+			},
+		},
+	}
+}
+
+func createForceDisableWErrorGoldenInputs() goldenRecordSection {
+	return goldenRecordSection{
+		Name: "force disable werror",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{"FORCE_DISABLE_WERROR=1"},
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{"FORCE_DISABLE_WERROR=1"},
+				Cmds: []commandResult{
+					{
+						Stderr:   "-Werror originalerror",
+						ExitCode: 1,
+					},
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{"FORCE_DISABLE_WERROR=1"},
+				Cmds: []commandResult{
+					{
+						Stderr:   "-Werror originalerror",
+						ExitCode: 1,
+					},
+					errorResult,
+				},
+			},
+		},
+	}
+}
+
+func createGccPathGoldenInputs(gomaEnv string) goldenRecordSection {
+	return goldenRecordSection{
+		Name: "gcc path",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-gcc", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-gcc", mainCc),
+				Cmds:       errorResults,
+			},
+		},
+	}
+}
+
+func createClangPathGoldenInputs(gomaEnv string) goldenRecordSection {
+	return goldenRecordSection{
+		Name: "clang path",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-clang", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-clang", mainCc),
+				Cmds:       errorResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd("./x86_64-cros-linux-gnu-clang++", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{"CLANG=somepath/clang"},
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, "-Xclang-path=/somedir", mainCc),
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, "-Xclang-path=/somedir", mainCc),
+				Env:        []string{gomaEnv},
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, "-Xclang-path=/somedir", mainCc),
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					errorResult,
+				},
+			},
+		},
+	}
+}
+
+func createClangTidyGoldenInputs(gomaEnv string) goldenRecordSection {
+	tidyEnv := "WITH_TIDY=1"
+	return goldenRecordSection{
+		Name: "clang-tidy",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{tidyEnv},
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					okResult,
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{tidyEnv, gomaEnv},
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					okResult,
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{tidyEnv, gomaEnv},
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					errorResult,
+					// TODO: we don't fail the compilation due to clang-tidy, as that
+					// is the behavior in the old wrapper. Consider changing this in
+					// the future.
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(clangX86_64, mainCc),
+				Env:        []string{tidyEnv, gomaEnv},
+				Cmds: []commandResult{
+					{Stdout: "someResourceDir"},
+					okResult,
+					errorResult,
+				},
+			},
+		},
+	}
+}
+
+func createClangSyntaxGoldenInputs(gomaEnv string) goldenRecordSection {
+	return goldenRecordSection{
+		Name: "gcc clang-syntax",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd(gccX86_64, "-clang-syntax", mainCc),
+				Cmds: []commandResult{
+					okResult,
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(gccX86_64, "-clang-syntax", mainCc),
+				Env:        []string{gomaEnv},
+				Cmds: []commandResult{
+					okResult,
+					okResult,
+				},
+			},
+			{
+				WrapperCmd: newGoldenCmd(gccX86_64, "-clang-syntax", mainCc),
+				Cmds:       errorResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(gccX86_64, "-clang-syntax", mainCc),
+				Cmds: []commandResult{
+					okResult,
+					errorResult,
+				},
+			},
+		},
+	}
+}
+
+func createSysrootWrapperCommonGoldenInputs(compiler string, gomaEnv string) goldenRecordSection {
+	// We are using a fixed target as all of the following args are target independent.
+	wrapperPath := "./x86_64-cros-linux-gnu-" + compiler
+	return goldenRecordSection{
+		Name: compiler + " sysroot wrapper common",
+		Records: []goldenRecord{
+			{
+				WrapperCmd: newGoldenCmd(gccX86_64, "-noccache", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, mainCc),
+				Env:        []string{"GOMACC_PATH=someNonExistingPath"},
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, mainCc),
+				Env:        []string{gomaEnv},
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-nopie", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-D__KERNEL__", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=kernel-address", "-Wl,--no-undefined", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=kernel-address", "-Wl,-z,defs", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=kernel-address", "-D_FORTIFY_SOURCE=1", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=kernel-address", "-D_FORTIFY_SOURCE=2", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "--sysroot=xyz", mainCc),
+				Cmds:       okResults,
+			},
+		},
+	}
+}
diff --git a/compiler_wrapper/cros_nonhardened_config_test.go b/compiler_wrapper/cros_nonhardened_config_test.go
new file mode 100644
index 00000000..6f677d06
--- /dev/null
+++ b/compiler_wrapper/cros_nonhardened_config_test.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"testing"
+)
+
+const oldNonHardenedWrapperPathForTest = "/usr/x86_64-pc-linux-gnu/arm-none-eabi/gcc-bin/4.9.x/sysroot_wrapper"
+const crosNonHardenedGoldenFile = "testdata/cros_nonhardened_golden.json"
+
+func TestCrosNonHardenedConfig(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		useCCache := true
+		ctx.updateConfig(oldNonHardenedWrapperPathForTest, getCrosNonHardenedConfig(useCCache))
+
+		runGoldenRecords(ctx, crosNonHardenedGoldenFile, createSyswrapperGoldenInputs(ctx))
+	})
+}
diff --git a/compiler_wrapper/goldenutil_test.go b/compiler_wrapper/goldenutil_test.go
new file mode 100644
index 00000000..d5d1ec28
--- /dev/null
+++ b/compiler_wrapper/goldenutil_test.go
@@ -0,0 +1,189 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"flag"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+)
+
+var updateGoldenFiles = flag.Bool("updategolden", false, "update golden files")
+var filterGoldenTests = flag.String("rungolden", "", "regex filter for golden tests to run")
+
+type goldenRecordSection struct {
+	Name             string `json:"name"`
+	ignoreOldWrapper bool
+	Records          []goldenRecord `json:"records"`
+}
+
+type goldenRecord struct {
+	Wd  string   `json:"wd"`
+	Env []string `json:"env,omitempty"`
+	// runGoldenRecords will read cmd and fill
+	// stdout, stderr, exitCode.
+	WrapperCmd commandResult `json:"wrapper"`
+	// runGoldenRecords will read stdout, stderr, err
+	// and fill cmd
+	Cmds []commandResult `json:"cmds"`
+}
+
+func newGoldenCmd(path string, args ...string) commandResult {
+	return commandResult{
+		Cmd: &command{
+			Path: path,
+			Args: args,
+		},
+	}
+}
+
+var okResult = commandResult{}
+var okResults = []commandResult{okResult}
+var errorResult = commandResult{
+	ExitCode: 1,
+	Stderr:   "someerror",
+	Stdout:   "somemessage",
+}
+var errorResults = []commandResult{errorResult}
+
+func runGoldenRecords(ctx *testContext, goldenFile string, sections []goldenRecordSection) {
+	if filterPattern := *filterGoldenTests; filterPattern != "" {
+		sections = filterGoldenRecords(filterPattern, sections)
+	}
+	if len(sections) == 0 {
+		ctx.t.Errorf("No goldenrecords given.")
+		return
+	}
+	sections = fillGoldenResults(ctx, sections)
+	if *updateGoldenFiles {
+		log.Printf("updating golden file under %s", goldenFile)
+		if err := os.MkdirAll(filepath.Dir(goldenFile), 0777); err != nil {
+			ctx.t.Fatal(err)
+		}
+		goldenFile, err := os.Create(goldenFile)
+		if err != nil {
+			ctx.t.Fatal(err)
+		}
+		defer goldenFile.Close()
+
+		writeGoldenRecords(ctx, goldenFile, sections)
+	} else {
+		compareBuffer := &bytes.Buffer{}
+		writeGoldenRecords(ctx, compareBuffer, sections)
+		goldenFileData, err := ioutil.ReadFile(goldenFile)
+		if err != nil {
+			ctx.t.Fatal(err)
+		}
+		if !bytes.Equal(compareBuffer.Bytes(), goldenFileData) {
+			ctx.t.Fatalf("Commands don't match the golden file under %s. Please regenerate via -updategolden to check the differences.",
+				goldenFile)
+		}
+	}
+}
+
+func filterGoldenRecords(pattern string, sections []goldenRecordSection) []goldenRecordSection {
+	matcher := regexp.MustCompile(pattern)
+	newSections := []goldenRecordSection{}
+	for _, section := range sections {
+		newRecords := []goldenRecord{}
+		for _, record := range section.Records {
+			cmd := record.WrapperCmd.Cmd
+			str := strings.Join(append(append(record.Env, cmd.Path), cmd.Args...), " ")
+			if matcher.MatchString(str) {
+				newRecords = append(newRecords, record)
+			}
+		}
+		section.Records = newRecords
+		newSections = append(newSections, section)
+	}
+	return newSections
+}
+
+func fillGoldenResults(ctx *testContext, sections []goldenRecordSection) []goldenRecordSection {
+	oldWrapperPath := ctx.cfg.oldWrapperPath
+	newSections := []goldenRecordSection{}
+	for _, section := range sections {
+		ctx.cfg.oldWrapperPath = oldWrapperPath
+		if section.ignoreOldWrapper {
+			ctx.cfg.oldWrapperPath = ""
+		}
+
+		newRecords := []goldenRecord{}
+		for _, record := range section.Records {
+			newCmds := []commandResult{}
+			ctx.cmdMock = func(cmd *command, stdout io.Writer, stderr io.Writer) error {
+				if len(newCmds) >= len(record.Cmds) {
+					ctx.t.Errorf("Not enough commands specified for wrapperCmd %#v and env %#v. Expected: %#v",
+						record.WrapperCmd.Cmd, record.Env, record.Cmds)
+					return nil
+				}
+				cmdResult := record.Cmds[len(newCmds)]
+				cmdResult.Cmd = cmd
+				newCmds = append(newCmds, cmdResult)
+				io.WriteString(stdout, cmdResult.Stdout)
+				io.WriteString(stderr, cmdResult.Stderr)
+				if cmdResult.ExitCode != 0 {
+					return newExitCodeError(cmdResult.ExitCode)
+				}
+				return nil
+			}
+			ctx.stdoutBuffer.Reset()
+			ctx.stderrBuffer.Reset()
+			ctx.env = record.Env
+			if record.Wd == "" {
+				record.Wd = ctx.tempDir
+			}
+			ctx.wd = record.Wd
+			// Create an empty wrapper at the given path.
+			// Needed as we are resolving symlinks which stats the wrapper file.
+			ctx.writeFile(record.WrapperCmd.Cmd.Path, "")
+			record.WrapperCmd.ExitCode = callCompiler(ctx, ctx.cfg, record.WrapperCmd.Cmd)
+			if hasInternalError(ctx.stderrString()) {
+				ctx.t.Errorf("found an internal error for wrapperCmd %#v and env #%v. Got: %s",
+					record.WrapperCmd.Cmd, record.Env, ctx.stderrString())
+			}
+			if len(newCmds) < len(record.Cmds) {
+				ctx.t.Errorf("Too many commands specified for wrapperCmd %#v and env %#v. Expected: %#v",
+					record.WrapperCmd.Cmd, record.Env, record.Cmds)
+			}
+			record.Cmds = newCmds
+			record.WrapperCmd.Stdout = ctx.stdoutString()
+			record.WrapperCmd.Stderr = ctx.stderrString()
+			newRecords = append(newRecords, record)
+		}
+		section.Records = newRecords
+		newSections = append(newSections, section)
+	}
+	return newSections
+}
+
+func writeGoldenRecords(ctx *testContext, writer io.Writer, sections []goldenRecordSection) {
+	// Replace the temp dir with a stable path so that the goldens stay stable.
+	stableTempDir := filepath.Join(filepath.Dir(ctx.tempDir), "stable")
+	writer = &replacingWriter{
+		Writer: writer,
+		old:    []byte(ctx.tempDir),
+		new:    []byte(stableTempDir),
+	}
+	enc := json.NewEncoder(writer)
+	enc.SetIndent("", "  ")
+	if err := enc.Encode(sections); err != nil {
+		ctx.t.Fatal(err)
+	}
+}
+
+type replacingWriter struct {
+	io.Writer
+	old []byte
+	new []byte
+}
+
+func (writer *replacingWriter) Write(p []byte) (n int, err error) {
+	p = bytes.ReplaceAll(p, writer.old, writer.new)
+	return writer.Writer.Write(p)
+}
diff --git a/compiler_wrapper/main.go b/compiler_wrapper/main.go
index 10132543..8cb26158 100644
--- a/compiler_wrapper/main.go
+++ b/compiler_wrapper/main.go
@@ -9,11 +9,14 @@
 //
 // Test arguments:
 // - crosroot: Specifies the ChromeOS toolchain root directory (aka chroot).
-//   If this is given, tests will compare the produced commands against the
+//   If this is given, golden tests will compare the produced commands against the
 //   old compiler wrapper.
+// - updategolden: To update the golden results for the wrapper. Without it,
+//   the tests will verify that the wrapper output matches the goldens.
+// - rungolden: To filter the golden tests by a regex for the wrapper env, path and args.
 //
 // Examples:
-// - run all tests and compare output against old compiler wrapper:
+// - run all tests and compare golden output against old compiler wrapper:
 // 		go test third_party/toolchain-utils/compiler_wrapper/ -v --crosroot=$HOME/chromiumos/chroot/
 // - run all tests in isolation:
 // 		go test third_party/toolchain-utils/compiler_wrapper/ -v
diff --git a/compiler_wrapper/oldwrapper.go b/compiler_wrapper/oldwrapper.go
index a6324400..45997551 100644
--- a/compiler_wrapper/oldwrapper.go
+++ b/compiler_wrapper/oldwrapper.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
-	"regexp"
 	"sort"
 	"strings"
 	"text/template"
@@ -31,7 +30,6 @@ func compareToOldWrapper(env env, cfg *config, inputCmd *command, newCmdResults
 		})
 		newCmds = append(newCmds, cmdResult.Cmd)
 	}
-	oldWrapperCfg.OverwriteConfig = cfg.overwriteOldWrapperCfg
 
 	stderrBuffer := bytes.Buffer{}
 	oldExitCode, err := callOldWrapper(env, oldWrapperCfg, inputCmd, compareToOldWrapperFilePattern, &bytes.Buffer{}, &stderrBuffer)
@@ -115,10 +113,15 @@ func diffCommands(oldCmds []*command, newCmds []*command) string {
 
 			// Sort the environment as we don't care in which order
 			// it was modified.
-			newEnvUpdates := newCmd.EnvUpdates
-			sort.Strings(newEnvUpdates)
-			oldEnvUpdates := oldCmd.EnvUpdates
-			sort.Strings(oldEnvUpdates)
+			copyAndSort := func(data []string) []string {
+				result := make([]string, len(data))
+				copy(result, data)
+				sort.Strings(result)
+				return result
+			}
+
+			newEnvUpdates := copyAndSort(newCmd.EnvUpdates)
+			oldEnvUpdates := copyAndSort(oldCmd.EnvUpdates)
 
 			if !reflect.DeepEqual(newEnvUpdates, oldEnvUpdates) {
 				differences = append(differences, "env updates")
@@ -154,13 +157,8 @@ func dumpCommands(cmds []*command) string {
 type oldWrapperConfig struct {
 	CmdPath           string
 	OldWrapperContent string
-	RootRelPath       string
 	MockCmds          bool
 	CmdResults        []oldWrapperCmdResult
-	OverwriteConfig   bool
-	CommonFlags       []string
-	GccFlags          []string
-	ClangFlags        []string
 }
 
 type oldWrapperCmdResult struct {
@@ -188,17 +186,9 @@ func newOldWrapperConfig(env env, cfg *config, inputCmd *command) (*oldWrapperCo
 	oldWrapperContent = strings.ReplaceAll(oldWrapperContent, "__name__", "'none'")
 	// Replace sets with lists to make our comparisons deterministic
 	oldWrapperContent = strings.ReplaceAll(oldWrapperContent, "set(", "ListSet(")
-	// Inject the value of cfg.useCCache
-	if !cfg.useCCache {
-		oldWrapperContent = regexp.MustCompile(`True\s+#\s+@CCACHE_DEFAULT@`).ReplaceAllString(oldWrapperContent, "False #")
-	}
 	return &oldWrapperConfig{
 		CmdPath:           inputCmd.Path,
 		OldWrapperContent: oldWrapperContent,
-		RootRelPath:       cfg.rootRelPath,
-		CommonFlags:       cfg.commonFlags,
-		GccFlags:          cfg.gccFlags,
-		ClangFlags:        cfg.clangFlags,
 	}, nil
 }
 
@@ -302,14 +292,6 @@ os.execv = execv_mock
 
 sys.argv[0] = '{{.CmdPath}}'
 
-ROOT_REL_PATH = '{{.RootRelPath}}'
-
-{{if .OverwriteConfig}}
-FLAGS_TO_ADD=set([{{range .CommonFlags}}'{{.}}',{{end}}])
-GCC_FLAGS_TO_ADD=set([{{range .GccFlags}}'{{.}}',{{end}}])
-CLANG_FLAGS_TO_ADD=set([{{range .ClangFlags}}'{{.}}',{{end}}])
-{{end}}
-
 sys.exit(main())
 `
 	tmpl, err := template.New("mock").Parse(mockTemplate)
diff --git a/compiler_wrapper/testdata/cros_hardened_golden.json b/compiler_wrapper/testdata/cros_hardened_golden.json
new file mode 100644
index 00000000..94d3e83b
--- /dev/null
+++ b/compiler_wrapper/testdata/cros_hardened_golden.json
@@ -0,0 +1,3796 @@
+[
+  {
+    "name": "gcc path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc [main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc sysroot wrapper common",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-noccache",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=someNonExistingPath"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-nopie",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-D__KERNEL__",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fno-stack-protector",
+                "-D__KERNEL__",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,--no-undefined",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,-z,defs",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=1",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=2",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "--sysroot=xyz",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "--sysroot=xyz",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc specific args",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-march=silvermont",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont-plus",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-march=silvermont",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=skylake",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-march=corei7",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc clang-syntax",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang++",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang++",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "CLANG=somepath/clang"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "somepath/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang [main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang [-ftrapv main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang sysroot wrapper common",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-noccache",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=someNonExistingPath"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-nopie",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-D__KERNEL__",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-fno-stack-protector",
+                "-D__KERNEL__",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,--no-undefined",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,-z,defs",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=1",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=2",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-fno-omit-frame-pointer",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "--sysroot=xyz",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "--sysroot=xyz",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang specific args",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-mno-movbe",
+              "-pass-exit-codes",
+              "-Wclobbered",
+              "-Wno-psabi",
+              "-Wlogical-op",
+              "-Wmissing-parameter-type",
+              "-Wold-style-declaration",
+              "-Woverride-init",
+              "-Wunsafe-loop-optimizations",
+              "-Wstrict-aliasing=abc",
+              "-finline-limit=abc",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=cpp",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-Wno-#warnings",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=maybe-uninitialized",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-Wno-error=uninitialized",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=unused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-Wno-error=unused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-unused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-Wno-unused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wunused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-Wunused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-only=-someflag",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-someflag",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "bisect",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/ccache",
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/ccache",
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "force disable werror",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stderr": "-Werror originalerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang-tidy",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerrorclang-tidy failed"
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  }
+]
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden.json
new file mode 100644
index 00000000..9ed9bab8
--- /dev/null
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden.json
@@ -0,0 +1,1247 @@
+[
+  {
+    "name": "gcc path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang++",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang++",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "CLANG=somepath/clang"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "somepath/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/somedir/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/somedir/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc clang-syntax",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-fno-reorder-blocks-and-partition",
+                "-Wno-unused-local-typedefs",
+                "-Wno-maybe-uninitialized",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "bisect",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "force disable werror",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stderr": "-Werror originalerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang-tidy",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerrorclang-tidy failed"
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-grecord-gcc-switches",
+                "-fno-addrsig",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fstack-protector-strong",
+                "-fPIE",
+                "-pie",
+                "-D_FORTIFY_SOURCE=2",
+                "-fno-omit-frame-pointer",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  }
+]
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden.json b/compiler_wrapper/testdata/cros_nonhardened_golden.json
new file mode 100644
index 00000000..c82557da
--- /dev/null
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden.json
@@ -0,0 +1,3290 @@
+[
+  {
+    "name": "gcc path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc [main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv7m-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-linux-eabi-gcc.real",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./armv8m-cros-win-gnu-gcc.real",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-mthumb",
+                "main.cc"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc sysroot wrapper common",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-noccache",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=someNonExistingPath"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-nopie",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-D__KERNEL__",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-fno-stack-protector",
+                "-D__KERNEL__",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,--no-undefined",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,-z,defs",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=1",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=2",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "--sysroot=xyz",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "--sysroot=xyz",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc specific args",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-march=silvermont",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont-plus",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-march=silvermont",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=skylake",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "-march=corei7",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc clang-syntax",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-clang-syntax",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-fsyntax-only",
+                "-stdlib=libstdc++"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "./x86_64-cros-linux-gnu-gcc.real",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang++",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang++",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "CLANG=somepath/clang"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "somepath/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-path=/somedir",
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "/somedir/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-resource-dir=someResourceDir",
+                "--gcc-toolchain=/usr",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang [main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang [-ftrapv main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv7m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv7m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv7m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-linux-eabi",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-linux-eabi"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-linux-eabi",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-clang",
+            "args": [
+              "-ftrapv",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/armv8m-cros-win-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-mthumb",
+                "-ftrapv",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "armv8m-cros-win-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/armv8m-cros-win-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang sysroot wrapper common",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-noccache",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-Wtrampolines",
+                "main.cc",
+                "-mno-movbe"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=someNonExistingPath"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-nopie",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-D__KERNEL__",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fno-stack-protector",
+                "-D__KERNEL__",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,--no-undefined",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-Wl,-z,defs",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=1",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-fsanitize=kernel-address",
+              "-D_FORTIFY_SOURCE=2",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-fsanitize=kernel-address",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "--sysroot=xyz",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "--sysroot=xyz",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang specific args",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-mno-movbe",
+              "-pass-exit-codes",
+              "-Wclobbered",
+              "-Wno-psabi",
+              "-Wlogical-op",
+              "-Wmissing-parameter-type",
+              "-Wold-style-declaration",
+              "-Woverride-init",
+              "-Wunsafe-loop-optimizations",
+              "-Wstrict-aliasing=abc",
+              "-finline-limit=abc",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=cpp",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-Wno-#warnings",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=maybe-uninitialized",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-Wno-error=uninitialized",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-error=unused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-Wno-error=unused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wno-unused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-Wno-unused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Wunused-but-set-variable",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-Wunused-variable",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "-Xclang-only=-someflag",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "-someflag",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "bisect",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/ccache",
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "BISECT_STAGE=someBisectStage",
+          "BISECT_DIR=someBisectDir"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "/usr/bin/python2",
+              "args": [
+                "-c",
+                "import bisect_driver; sys.exit(bisect_driver.bisect_driver(sys.argv[1], sys.argv[2], sys.argv[3:]))",
+                "someBisectStage",
+                "someBisectDir",
+                "/usr/bin/ccache",
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "force disable werror",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "FORCE_DISABLE_WERROR=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stderr": "-Werror originalerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stderr": "-Werror originalerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "ccache",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu",
+                "-Wno-error"
+              ],
+              "env_updates": [
+                "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+                "CCACHE_DIR=/var/cache/distfiles/ccache",
+                "CCACHE_UMASK=002",
+                "CCACHE_CPP2=yes"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "clang-tidy",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerrorclang-tidy failed"
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "env": [
+          "WITH_TIDY=1",
+          "GOMACC_PATH=/tmp/stable/gomacc"
+        ],
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-clang",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang",
+              "args": [
+                "--print-resource-dir"
+              ]
+            },
+            "stdout": "someResourceDir"
+          },
+          {
+            "cmd": {
+              "path": "../../usr/bin/clang-tidy",
+              "args": [
+                "-checks=*,google*,-bugprone-narrowing-conversions,-cppcoreguidelines-*,-fuchsia-*,-google-build-using-namespace,-google-default-arguments,-google-explicit-constructor,-google-readability*,-google-runtime-int,-google-runtime-references,-hicpp-avoid-c-arrays,-hicpp-braces-around-statements,-hicpp-no-array-decay,-hicpp-signed-bitwise,-hicpp-uppercase-literal-suffix,-hicpp-use-auto,-llvm-namespace-comment,-misc-non-private-member-variables-in-classes,-misc-unused-parameters,-modernize-*,-readability-*",
+                "main.cc",
+                "--",
+                "-resource-dir=someResourceDir",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            }
+          },
+          {
+            "cmd": {
+              "path": "/tmp/stable/gomacc",
+              "args": [
+                "../../usr/bin/clang",
+                "--sysroot=/usr/x86_64-cros-linux-gnu",
+                "-Qunused-arguments",
+                "-Wno-tautological-constant-compare",
+                "-Wno-tautological-unsigned-enum-zero-compare",
+                "-Wno-unknown-warning-option",
+                "-Wno-section",
+                "main.cc",
+                "-B../../bin",
+                "-target",
+                "x86_64-cros-linux-gnu"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  }
+]
diff --git a/compiler_wrapper/testutil_test.go b/compiler_wrapper/testutil_test.go
index 07d84b36..0ffe8d71 100644
--- a/compiler_wrapper/testutil_test.go
+++ b/compiler_wrapper/testutil_test.go
@@ -25,11 +25,9 @@ const gccArmV7Eabi = "./armv7m-cros-linux-eabi-gcc"
 const gccArmV8 = "./armv8m-cros-linux-gnu-gcc"
 const gccArmV8Eabi = "./armv8m-cros-linux-eabi-gcc"
 
-const oldHardenedWrapperPathForTest = "/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/gcc-bin/4.9.x/sysroot_wrapper.hardened"
-const oldNonHardenedWrapperPathForTest = "/usr/x86_64-pc-linux-gnu/arm-none-eabi/gcc-bin/4.9.x/sysroot_wrapper"
-
 type testContext struct {
 	t            *testing.T
+	wd           string
 	tempDir      string
 	env          []string
 	cfg          *config
@@ -51,13 +49,12 @@ func withTestContext(t *testing.T, work func(ctx *testContext)) {
 
 	ctx := testContext{
 		t:       t,
+		wd:      tempDir,
 		tempDir: tempDir,
 		env:     nil,
 		cfg:     &config{},
 	}
-	// Note: It's ok to use the hardened wrapper here, as we replace its config
-	// on each run.
-	ctx.updateConfig(oldHardenedWrapperPathForTest, &config{})
+	ctx.updateConfig("", &config{})
 
 	work(&ctx)
 }
@@ -79,7 +76,7 @@ func (ctx *testContext) environ() []string {
 }
 
 func (ctx *testContext) getwd() string {
-	return ctx.tempDir
+	return ctx.wd
 }
 
 func (ctx *testContext) stdout() io.Writer {
@@ -141,10 +138,9 @@ func (ctx *testContext) mustFail(exitCode int) string {
 
 func (ctx *testContext) updateConfig(wrapperChrootPath string, cfg *config) {
 	*ctx.cfg = *cfg
-	ctx.cfg.overwriteOldWrapperCfg = true
 	ctx.cfg.mockOldWrapperCmds = true
 	ctx.cfg.newWarningsDir = filepath.Join(ctx.tempDir, "fatal_clang_warnings")
-	if *crosRootDirFlag != "" {
+	if *crosRootDirFlag != "" && wrapperChrootPath != "" {
 		ctx.cfg.oldWrapperPath = filepath.Join(*crosRootDirFlag, wrapperChrootPath)
 	} else {
 		ctx.cfg.oldWrapperPath = ""
@@ -248,8 +244,12 @@ func verifyNoEnvUpdate(cmd *command, expectedRegex string) error {
 	return nil
 }
 
+func hasInternalError(stderr string) bool {
+	return strings.Contains(stderr, "Internal error")
+}
+
 func verifyInternalError(stderr string) error {
-	if !strings.Contains(stderr, "Internal error") {
+	if !hasInternalError(stderr) {
 		return fmt.Errorf("expected an internal error. Got: %s", stderr)
 	}
 	if ok, _ := regexp.MatchString(`\w+.go:\d+`, stderr); !ok {
@@ -259,7 +259,7 @@ func verifyInternalError(stderr string) error {
 }
 
 func verifyNonInternalError(stderr string, expectedRegex string) error {
-	if strings.Contains(stderr, "Internal error") {
+	if hasInternalError(stderr) {
 		return fmt.Errorf("expected a non internal error. Got: %s", stderr)
 	}
 	if ok, _ := regexp.MatchString(`\w+.go:\d+`, stderr); ok {