[compiler-rt] Test fixups for MSVC. (PR #109887)

[Martin Storsjö via llvm-commits]

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@@ -34,7 +34,7 @@ void Throw() {
   ReallyThrow();
 }
 
-__attribute__((noinline))
+ATTRIBUTE_NOINLINE
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mstorsjo wrote:

This is missing an include of `defines.h`

https://github.com/llvm/llvm-project/pull/109887