[libcxx-commits] [libcxx] [libc++][NFC] Use __construct_at and __destroy_at insted of using preprocessor conditionals (PR #70866)

[via libcxx-commits]

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@@ -319,11 +315,7 @@ struct _LIBCPP_TEMPLATE_VIS allocator_traits
         __enable_if_t<!__has_destroy<allocator_type, _Tp*>::value> >
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
     static void destroy(allocator_type&, _Tp* __p) {
-#if _LIBCPP_STD_VER >= 20
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EricWF wrote:

Why is using `destroy_at` better than simply invoking the destructor? One costs a lot less to instantiate. 
It's  not a customization point, right?

https://github.com/llvm/llvm-project/pull/70866