[clang] Support MemProf on darwin (PR #69640)

[Teresa Johnson via cfe-commits]

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@@ -43,6 +43,7 @@ enum class align_val_t : size_t {};
     ReportOutOfMemory(size, &stack);                                           \
   return res;
 
+#if !SANITIZER_APPLE
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teresajohnson wrote:

How do operator new and delete get intercepted on Apple?

Also, are OPERATOR_NEW_BODY* and OPERATOR_DELETE_BODY* macros needed if these interceptors are not included - can the whole thing be put under "#if !SANITIZER_APPLE"?

https://github.com/llvm/llvm-project/pull/69640