[compiler-rt] [msan] Unwind stack before fatal reports (PR #77168)

[Vitaly Buka via llvm-commits]

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@@ -321,6 +321,9 @@ const int STACK_TRACE_TAG_VPTR = STACK_TRACE_TAG_FIELDS + 1;
     stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal); \
   }
 
+#define GET_FATAL_STACK_TRACE \
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vitalybuka wrote:

I think it's redundant here, we have similar macro in other sanitizers, and it's just shortcut for GET_FATAL_STACK_TRACE_PC_BP.

Maybe these way as in new snapshot?

https://github.com/llvm/llvm-project/pull/77168