I could feature-request this for all known compilers, and that's what this is really an attempt at.

 
this is the gist of it (more of a detailed explanation)
https://gist.github.com/d3x0r/f496d0032476ed8b6f980f7ed31280da  

the TL;DR is really the title.

I'd like to know how a community contribution might be submitted for approval for the future c2x.

I've been to C++ proposals list, and they have provided me with some feedback, and suggested maybe this is an operable method(?).

Jim

http://github.com/d3x0r (it's pronounced Decker)