[clang] [Clang] Add constexpr eval for cmath builtins (PR #194327)

[Hubert Tong via cfe-commits]

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@@ -199,6 +199,25 @@ static llvm::APSInt convertBoolVectorToInt(const Pointer &Val) {
   return Result;
 }
 
+static bool CheckFloatResult(InterpState &S, CodePtr OpPC,
+                             const APFloat &Result, APFloat::opStatus Status) {
+  if (S.inConstantContext())
+    return true;
+
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hubert-reinterpretcast wrote:

This seems suspicious.

https://github.com/llvm/llvm-project/pull/194327