[clang] Frontend: Define __SANITIZE_*__ macros for certain sanitizers. (PR #153888)

[Vitaly Buka via cfe-commits]

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@@ -1519,6 +1519,13 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
   if (TI.getTriple().isOSBinFormatELF())
     Builder.defineMacro("__ELF__");
 
+  if (LangOpts.Sanitize.has(SanitizerKind::Address))
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vitalybuka wrote:

msan? tsan?
ubsan is hard

https://github.com/llvm/llvm-project/pull/153888