================
@@ -28,6 +28,14 @@ if @LIBUNWIND_USES_ARM_EHABI@:
if not @LIBUNWIND_ENABLE_THREADS@:
config.available_features.add('libunwind-no-threads')
+config.extra_executor_env = ""
----------------
ldionne wrote:
Could we instead do something like this?
```diff
diff --git a/libcxx/utils/libcxx/test/params.py
b/libcxx/utils/libcxx/test/params.py
index c3732560f5e4..3814863cf3fe 100644
--- a/libcxx/utils/libcxx/test/params.py
+++ b/libcxx/utils/libcxx/test/params.py
@@ -227,6 +227,7 @@ DEFAULT_PARAMETERS = [
AddFlag("-fsanitize=address") if sanitizer == "Address" else
None,
AddFeature("asan") if sanitizer == "Address" else
None,
+ AddEnvironment("ASAN_OPTIONS", "fast_unwind_on_fatal=1") if
sanitizer == "Address" else None,
AddFlag("-fsanitize=hwaddress") if sanitizer == "HWAddress"
else None,
AddFeature("hwasan") if sanitizer == "HWAddress"
else None,
@@ -234,6 +235,7 @@ DEFAULT_PARAMETERS = [
AddFlag("-fsanitize=memory") if sanitizer in
["Memory", "MemoryWithOrigins"] else None,
AddFeature("msan") if sanitizer in
["Memory", "MemoryWithOrigins"] else None,
AddFlag("-fsanitize-memory-track-origins") if sanitizer ==
"MemoryWithOrigins" else None,
+ AddEnvironment("MSAN_OPTIONS", "fast_unwind_on_fatal=1") if
sanitizer in ["Memory", "MemoryWithOrigins"] else None,
AddFlag("-fsanitize=thread") if sanitizer == "Thread" else
None,
AddFeature("tsan") if sanitizer == "Thread" else
None,
```
This would require a bit more plumbing cause we don't have `AddEnvironment`
right now, but it seems like the better way of doing this instead of forcing
the way in the cmake bridge.
https://github.com/llvm/llvm-project/pull/67861
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