[libcxx-commits] [clang] [clang-tools-extra] [libcxx] Reland "[clang] Enable sized deallocation by default in C++14 onwards" (PR #90373)

[Vitaly Buka via libcxx-commits]

vitalybuka wrote:

Internally ::allocate uses sided new:

```
 void*
    allocate(size_t __bytes, size_t __alignment = _S_max_align)
    __attribute__((__returns_nonnull__,__alloc_size__(2),__alloc_align__(3)))
    { return ::operator new(__bytes, do_allocate(__bytes, __alignment)); }

```

https://github.com/llvm/llvm-project/pull/90373