[flang-commits] [clang] [flang] [llvm] [C++23] [CLANG] Adding C++23 constexpr math functions: fmin, fmax and frexp. (PR #88978)

[Hubert Tong via flang-commits]

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@@ -253,8 +253,10 @@ def FmodF16F128 : F16F128MathTemplate, Builtin {
 
 def FrexpF16F128 : F16F128MathTemplate, Builtin {
   let Spellings = ["__builtin_frexp"];
-  let Attributes = [FunctionWithBuiltinPrefix, NoThrow];
+  let Attributes = [FunctionWithBuiltinPrefix, NoThrow, Const, ConstexprSince];
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hubert-reinterpretcast wrote:

The `frexp` family of functions cannot be marked `const` because they modify the object pointed to by the pointer parameter.

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