[google/integration] Extend C++11 UDLs to be compatible with inttypes.h macros (issue6104051)

[Jonathan Wakely]

On 23 April 2012 04:10, Jeffrey Yasskin wrote:
> Could you try to get this into mainline instead of just the google
> branches? In http://gcc.gnu.org/PR52538, Jonathan sounded like he'd
> consider accepting it.

I think it's useful, but I can't approve front-end patches.