[clang] [sanitizer] Parse weighted sanitizer args and -fno-sanitize-top-hot (PR #121619)

[Vitaly Buka via cfe-commits]

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@@ -154,6 +154,8 @@ struct SanitizerKind {
 #include "clang/Basic/Sanitizers.def"
 }; // SanitizerKind
 
+typedef double SanitizerMaskWeights[SanitizerKind::SO_Count];
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vitalybuka wrote:

float is probably enough

https://github.com/llvm/llvm-project/pull/121619