[clang] [C++23] [CLANG] Adding C++23 constexpr math functions: fmin and frexp. (PR #88978)

[Hubert Tong via cfe-commits]

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@@ -14638,6 +14649,8 @@ bool FloatExprEvaluator::VisitCallExpr(const CallExpr *E) {
     return true;
   }
 
+  case Builtin::BIfmin:
+  case Builtin::BIfminf:
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hubert-reinterpretcast wrote:

Don't make these evaluate in `constexpr`. Not only does this extend C (not a stated intent of the patch), it will cause accidental dependencies that break when `-fno-builtin` is used.

https://github.com/llvm/llvm-project/pull/88978