[libcxx-commits] [libcxx] [libc++] constexpr is_sufficiently_aligned (PR #146787)

[via libcxx-commits]

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@@ -28,10 +27,11 @@ _LIBCPP_HIDE_FROM_ABI constexpr bool is_sufficiently_aligned(_Tp* __ptr) {
 #  ifdef _LIBCPP_COMPILER_CLANG_BASED
   return __builtin_is_aligned(__ptr, _Alignment);
 #  else
-  if constexpr (is_constant_evaluated())
+  if consteval {
     return __builtin_constant_p(__builtin_assume_aligned(__ptr, _Alignment) != nullptr);
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EricWF wrote:

I would prefer simply not supporting constexpr with GCC here.
It seems better to fail loudly than to give the wrong result. 

https://github.com/llvm/llvm-project/pull/146787