compiler_wrapper: Disable new pass manager with sanitizers+coverage.

Useing sanitizers and coverage together in new pass manager
causes clang to crash.
Avoid the crash by disabling new pass manager in these cases.

BUG=chromium:1013622
TEST=go test

Change-Id: Ifc787e9f288891e3e1b68c791f0ddaa508d8c816
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1856379
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: George Burgess <gbiv@chromium.org>

8 files changed, 653 insertions, 9 deletions

diff --git a/compiler_wrapper/cros_hardened_config_test.go b/compiler_wrapper/cros_hardened_config_test.go
index 16e51358..10d8bf6f 100644
--- a/compiler_wrapper/cros_hardened_config_test.go
+++ b/compiler_wrapper/cros_hardened_config_test.go
@@ -515,6 +515,18 @@ func createSanitizerGoldenInputs(compiler string) goldenFile {
 				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=fuzzer", mainCc),
 				Cmds:       okResults,
 			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=address", "-fprofile-instr-generate", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fsanitize=address", mainCc),
+				Cmds:       okResults,
+			},
+			{
+				WrapperCmd: newGoldenCmd(wrapperPath, "-fprofile-instr-generate", mainCc),
+				Cmds:       okResults,
+			},
 		},
 	}
 }
diff --git a/compiler_wrapper/sanitizer_flags.go b/compiler_wrapper/sanitizer_flags.go
index 32f2cb78..fe8d1503 100644
--- a/compiler_wrapper/sanitizer_flags.go
+++ b/compiler_wrapper/sanitizer_flags.go
@@ -9,15 +9,20 @@ import (
 )
 
 func processSanitizerFlags(builder *commandBuilder) {
+	hasCoverageFlags := false
 	hasSanitizeFlags := false
 	hasSanitizeFuzzerFlags := false
 	for _, arg := range builder.args {
 		// TODO: This should probably be -fsanitize= to not match on
 		// e.g. -fsanitize-blacklist
-		if arg.fromUser && strings.HasPrefix(arg.value, "-fsanitize") {
-			hasSanitizeFlags = true
-			if strings.Contains(arg.value, "fuzzer") {
-				hasSanitizeFuzzerFlags = true
+		if arg.fromUser {
+			if strings.HasPrefix(arg.value, "-fsanitize") {
+				hasSanitizeFlags = true
+				if strings.Contains(arg.value, "fuzzer") {
+					hasSanitizeFuzzerFlags = true
+				}
+			} else if arg.value == "-fprofile-instr-generate" {
+				hasCoverageFlags = true
 			}
 		}
 	}
@@ -39,12 +44,15 @@ func processSanitizerFlags(builder *commandBuilder) {
 			}
 			return arg.value
 		})
-		if hasSanitizeFuzzerFlags && builder.target.compilerType == clangType {
-			fuzzerFlagsToAdd := []string{
-				// TODO: This flag should be removed once fuzzer works with new pass manager
-				"-fno-experimental-new-pass-manager",
+		if builder.target.compilerType == clangType {
+			// hasSanitizeFlags && hasCoverageFlags is to work around crbug.com/1013622
+			if hasSanitizeFuzzerFlags || (hasSanitizeFlags && hasCoverageFlags) {
+				fuzzerFlagsToAdd := []string{
+					// TODO: This flag should be removed once fuzzer works with new pass manager
+					"-fno-experimental-new-pass-manager",
+				}
+				builder.addPreUserArgs(fuzzerFlagsToAdd...)
 			}
-			builder.addPreUserArgs(fuzzerFlagsToAdd...)
 		}
 	}
 }
diff --git a/compiler_wrapper/sanitizer_flags_test.go b/compiler_wrapper/sanitizer_flags_test.go
index 741f7732..8f50a900 100644
--- a/compiler_wrapper/sanitizer_flags_test.go
+++ b/compiler_wrapper/sanitizer_flags_test.go
@@ -119,3 +119,34 @@ func TestOmitFuzzerFlagsForGcc(t *testing.T) {
 		}
 	})
 }
+
+func TestAddSanitizerCoverageFlagsForClang(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+			ctx.newCommand(clangX86_64, "-fsanitize=address", "-fprofile-instr-generate", mainCc)))
+		if err := verifyArgOrder(cmd, "-fno-experimental-new-pass-manager",
+			"-fsanitize=address", "-fprofile-instr-generate", mainCc); err != nil {
+			t.Error(err)
+		}
+	})
+}
+
+func TestOmitSanitizerCoverageFlagsForClang(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+			ctx.newCommand(clangX86_64, "-fsanitize=address", mainCc)))
+		if err := verifyArgCount(cmd, 0, "-fno-experimental-new-pass-manager"); err != nil {
+			t.Error(err)
+		}
+	})
+}
+
+func TestKeepSanitizerCoverageFlagsForClang(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+			ctx.newCommand(clangX86_64, "-fprofile-instr-generate", mainCc)))
+		if err := verifyArgCount(cmd, 0, "-fno-experimental-new-pass-manager"); err != nil {
+			t.Error(err)
+		}
+	})
+}
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
index 7e7e54c0..be1a2922 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
@@ -163,5 +163,104 @@
         }
       }
     ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-clang",
+        "args": [
+          "-fsanitize=address",
+          "-fprofile-instr-generate",
+          "main.cc"
+        ]
+      }
+    },
+    "cmds": [
+      {
+        "cmd": {
+          "path": "/tmp/stable/clang",
+          "args": [
+            "-Qunused-arguments",
+            "-grecord-gcc-switches",
+            "-fno-addrsig",
+            "-fuse-ld=lld",
+            "-Wno-unused-local-typedefs",
+            "-Wno-deprecated-declarations",
+            "-Wno-tautological-constant-compare",
+            "-Wno-tautological-unsigned-enum-zero-compare",
+            "-Wno-unknown-warning-option",
+            "-fno-experimental-new-pass-manager",
+            "-fsanitize=address",
+            "-fprofile-instr-generate",
+            "main.cc"
+          ]
+        }
+      }
+    ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-clang",
+        "args": [
+          "-fsanitize=address",
+          "main.cc"
+        ]
+      }
+    },
+    "cmds": [
+      {
+        "cmd": {
+          "path": "/tmp/stable/clang",
+          "args": [
+            "-Qunused-arguments",
+            "-grecord-gcc-switches",
+            "-fno-addrsig",
+            "-fuse-ld=lld",
+            "-Wno-unused-local-typedefs",
+            "-Wno-deprecated-declarations",
+            "-Wno-tautological-constant-compare",
+            "-Wno-tautological-unsigned-enum-zero-compare",
+            "-Wno-unknown-warning-option",
+            "-fsanitize=address",
+            "main.cc"
+          ]
+        }
+      }
+    ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-clang",
+        "args": [
+          "-fprofile-instr-generate",
+          "main.cc"
+        ]
+      }
+    },
+    "cmds": [
+      {
+        "cmd": {
+          "path": "/tmp/stable/clang",
+          "args": [
+            "-Qunused-arguments",
+            "-grecord-gcc-switches",
+            "-fno-addrsig",
+            "-fuse-ld=lld",
+            "-Wno-unused-local-typedefs",
+            "-Wno-deprecated-declarations",
+            "-Wno-tautological-constant-compare",
+            "-Wno-tautological-unsigned-enum-zero-compare",
+            "-Wno-unknown-warning-option",
+            "-fprofile-instr-generate",
+            "main.cc"
+          ]
+        }
+      }
+    ]
   }
 ]
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
index 9fa1f4f2..39094948 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
@@ -238,5 +238,150 @@
         }
       }
     ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-clang",
+        "args": [
+          "-fsanitize=address",
+          "-fprofile-instr-generate",
+          "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",
+            "-static-libgcc",
+            "-fuse-ld=lld",
+            "-fstack-protector-strong",
+            "-fPIE",
+            "-pie",
+            "-fno-omit-frame-pointer",
+            "-fno-experimental-new-pass-manager",
+            "-fsanitize=address",
+            "-fprofile-instr-generate",
+            "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=address",
+          "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",
+            "-static-libgcc",
+            "-fuse-ld=lld",
+            "-fstack-protector-strong",
+            "-fPIE",
+            "-pie",
+            "-fno-omit-frame-pointer",
+            "-fsanitize=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": [
+          "-fprofile-instr-generate",
+          "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",
+            "-static-libgcc",
+            "-fuse-ld=lld",
+            "-fstack-protector-strong",
+            "-fPIE",
+            "-pie",
+            "-D_FORTIFY_SOURCE=2",
+            "-fno-omit-frame-pointer",
+            "-fprofile-instr-generate",
+            "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"
+          ]
+        }
+      }
+    ]
   }
 ]
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/gcc_sanitizer_args.json b/compiler_wrapper/testdata/cros_hardened_golden/gcc_sanitizer_args.json
index bddac1d2..a63aa25c 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/gcc_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/gcc_sanitizer_args.json
@@ -197,5 +197,124 @@
         }
       }
     ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-gcc",
+        "args": [
+          "-fsanitize=address",
+          "-fprofile-instr-generate",
+          "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=address",
+            "-fprofile-instr-generate",
+            "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=address",
+          "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=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": [
+          "-fprofile-instr-generate",
+          "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",
+            "-fprofile-instr-generate",
+            "main.cc",
+            "-mno-movbe"
+          ],
+          "env_updates": [
+            "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+            "CCACHE_DIR=/var/cache/distfiles/ccache",
+            "CCACHE_UMASK=002"
+          ]
+        }
+      }
+    ]
   }
 ]
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
index 05209ee3..386e82d6 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
@@ -203,5 +203,128 @@
         }
       }
     ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-clang",
+        "args": [
+          "-fsanitize=address",
+          "-fprofile-instr-generate",
+          "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",
+            "-static-libgcc",
+            "-fno-experimental-new-pass-manager",
+            "-fsanitize=address",
+            "-fprofile-instr-generate",
+            "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=address",
+          "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",
+            "-static-libgcc",
+            "-fsanitize=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": [
+          "-fprofile-instr-generate",
+          "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",
+            "-static-libgcc",
+            "-fprofile-instr-generate",
+            "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"
+          ]
+        }
+      }
+    ]
   }
 ]
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_sanitizer_args.json b/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_sanitizer_args.json
index 639dc524..7091f608 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_sanitizer_args.json
@@ -177,5 +177,112 @@
         }
       }
     ]
+  },
+  {
+    "wd": "/tmp/stable",
+    "wrapper": {
+      "cmd": {
+        "path": "./x86_64-cros-linux-gnu-gcc",
+        "args": [
+          "-fsanitize=address",
+          "-fprofile-instr-generate",
+          "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=address",
+            "-fprofile-instr-generate",
+            "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=address",
+          "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=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": [
+          "-fprofile-instr-generate",
+          "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",
+            "-fprofile-instr-generate",
+            "main.cc",
+            "-mno-movbe"
+          ],
+          "env_updates": [
+            "CCACHE_BASEDIR=/usr/x86_64-cros-linux-gnu",
+            "CCACHE_DIR=/var/cache/distfiles/ccache",
+            "CCACHE_UMASK=002"
+          ]
+        }
+      }
+    ]
   }
 ]