[Bug c++/95788] New: std::ranges::construct_at's placement new not intercepted

[johelegp at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95788

            Bug ID: 95788
           Summary: std::ranges::construct_at's placement new not
                    intercepted
           Product: gcc
           Version: 10.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: johelegp at gmail dot com
  Target Milestone: ---

See https://godbolt.org/z/diWS5T.
```C++
#include <memory>

constexpr void f()
{
    const int sz{1};
    int* data{std::allocator<int>{}.allocate(sz)};
    std::ranges::construct_at(data, 42);
    std::ranges::destroy(data, data + sz);
    std::allocator<int>{}.deallocate(data, sz);
}

constexpr int x{(f(), 0)};
```
Other stuff in `bits/ranges_uninitialized.h` may be similarly affected.