[compiler_wrapper] explicitly enables `libgcc` as the unwindlib

This is in preparation for our migration to libunwind.

BUG=b:187785190
TEST=Tested locally and on CQ

Disallow-Recycled-Builds: test-failures
Change-Id: I1b11d54de3d9550086ead05c3880f149e2e2f839
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2945100
Tested-by: Christopher Di Bella <cjdb@google.com>
Tested-by: Luis Lozano <llozano@chromium.org>
Auto-Submit: Christopher Di Bella <cjdb@google.com>
Commit-Queue: Luis Lozano <llozano@chromium.org>
Reviewed-by: Luis Lozano <llozano@chromium.org>

10 files changed, 71 insertions, 0 deletions

diff --git a/compiler_wrapper/testdata/cros_hardened_golden/bisect.json b/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
index 53cc5986..fe1b8954 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
@@ -35,6 +35,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -103,6 +104,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -174,6 +176,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
index c7016ad1..67cf66d7 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
@@ -26,6 +26,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -84,6 +85,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -142,6 +144,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -200,6 +203,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -257,6 +261,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -314,6 +319,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -371,6 +377,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -428,6 +435,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -485,6 +493,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
index 4c7ebd05..efcc31f5 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
@@ -25,6 +25,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -81,6 +82,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -137,6 +139,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -193,6 +196,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -248,6 +252,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -303,6 +308,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -358,6 +364,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -413,6 +420,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -468,6 +476,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
index 48ab0dd9..5f8552a1 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
@@ -25,6 +25,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -84,6 +85,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -143,6 +145,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -202,6 +205,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -268,6 +272,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -339,6 +344,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -405,6 +411,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -466,6 +473,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -522,6 +530,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -578,6 +587,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -634,6 +644,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -693,6 +704,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
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 30536e68..0d42e19e 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
@@ -27,6 +27,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -85,6 +86,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -143,6 +145,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -201,6 +204,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -258,6 +262,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -317,6 +322,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -376,6 +382,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -433,6 +440,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
index 973cf630..aad519fa 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
@@ -35,6 +35,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -100,6 +101,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -158,6 +160,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -216,6 +219,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -274,6 +278,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -332,6 +337,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -390,6 +396,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
index f9fa152a..72c3aa01 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
@@ -61,6 +61,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -120,6 +121,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -172,6 +174,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -227,6 +230,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -283,6 +287,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -337,6 +342,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json b/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
index d2f22710..ee27b2a0 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
@@ -40,6 +40,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -77,6 +78,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -144,6 +146,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -182,6 +185,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -251,6 +255,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -292,6 +297,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -362,6 +368,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -400,6 +407,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
index 523d3df4..4ce9681e 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
@@ -28,6 +28,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -87,6 +88,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -132,6 +134,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -195,6 +198,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -240,6 +244,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json b/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
index f3d487ee..b74adf5c 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
@@ -25,6 +25,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -106,6 +107,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -182,6 +184,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",
@@ -241,6 +244,7 @@
             "-Wno-section",
             "-static-libgcc",
             "-fuse-ld=lld",
+            "--unwindlib=libgcc",
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fexperimental-new-pass-manager",