[libcxx-commits] [libcxx] [libc++][math] Add `constexpr` to `std::fmax()` and `std::fmin()` (PR #222953)

[Lucas Mellone via libcxx-commits]

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@@ -9,6 +9,12 @@
 #ifndef _LIBCPP___MATH_MIN_MAX_H
 #define _LIBCPP___MATH_MIN_MAX_H
 
+#if __has_constexpr_builtin(__builtin_fmax) || defined(_LIBCPP_COMPILER_GCC)
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lknknm wrote:

The builtins are already available for GCC but not for Clang. I'll probably push a PR for it next so you can go ahead with this PR in the proper way.

https://github.com/llvm/llvm-project/pull/222953