RFA (libstdc++): PATCH to implement C++17 over-aligned new

[Jonathan Wakely]

On 08/09/16 09:10 +0200, Marc Glisse wrote:
>Do we want a generic fallback implementation (similar to 
>gcc/config/i386/gmm_malloc.h)? A windows version with _aligned_malloc 
>/ _aligned_free would also be possible.

Making it work for MinGW would be nice. If there are other targets
that don't support any of C11, POSIX-2001, or memalign then we can add
a generic fallback later, but I'm not sure it's worth doing now. It
might never be needed.