[libcxx-commits] [libcxx] [libc++] Improve aligned allocation support with picolibc. (PR #96086)

[Louis Dionne via libcxx-commits]

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@@ -30,7 +30,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 inline _LIBCPP_HIDE_FROM_ABI void* __libcpp_aligned_alloc(std::size_t __alignment, std::size_t __size) {
 #  if defined(_LIBCPP_MSVCRT_LIKE)
   return ::_aligned_malloc(__size, __alignment);
-#  elif _LIBCPP_STD_VER >= 17 && !defined(_LIBCPP_HAS_NO_C11_ALIGNED_ALLOC)
+#  elif defined(_LIBCPP_HAS_C11_ALIGNED_ALLOC) || (_LIBCPP_STD_VER >= 17 && !defined(_LIBCPP_HAS_NO_C11_ALIGNED_ALLOC))
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ldionne wrote:

Is there a reason for introducing a new macro named `_LIBCPP_HAS_C11_ALIGNED_ALLOC`? It should suffice not to define `_LIBCPP_HAS_NO_C11_ALIGNED_ALLOC` on picolibc, no?

https://github.com/llvm/llvm-project/pull/96086