[clang] [llvm] [Clang][Sanitizers] Add numerical sanitizer (PR #93783)

[Alexander Shaposhnikov via cfe-commits]

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@@ -285,6 +285,9 @@ def SanitizeHWAddress : EnumAttr<"sanitize_hwaddress", [FnAttr]>;
 /// MemTagSanitizer is on.
 def SanitizeMemTag : EnumAttr<"sanitize_memtag", [FnAttr]>;
 
+/// NumericalStabilitySanitizer is on.
+def SanitizeNumericalStability : EnumAttr<"sanitize_numericalstability", [FnAttr]>;
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alexander-shaposhnikov wrote:

yeah, it's already included into the first patch (https://github.com/llvm/llvm-project/pull/85916), duplicated here to unblock myself (Clang needs this in clang/lib/CodeGen/CGDeclCXX.cpp) (otherwise this PR would have a hard dependency on the first one)

https://github.com/llvm/llvm-project/pull/93783