[libunwind] [libunwind][test] Avoid calling back into libunwind on sanitizer errors (PR #67861)

[Alexander Richardson via cfe-commits]

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@@ -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 = ""
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arichardson wrote:

Agreed that would be way better, I'll see if I can get back to this at some point soon.

https://github.com/llvm/llvm-project/pull/67861