[Bug c++/52538] Extend C++11 UDLs to be compatible with inttypes.h macros

["redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52538

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-09 09:51:34 UTC ---
(In reply to comment #1)
> If you want to use C++11, then you have to write C++11 code.  That is the way
> forward I think we have discussed this before.

Yes, in PR 52485, and see also PR 51282 and PR 50917 - this is affecting a lot
of large codebases. The committee are discussing whether this is a defect worth
addressing in the standard, as the scope of the problems is larger than
previously realised.

(In reply to comment #0)
> It would also be possible to fix the code by inserting a space between the "
> and the macro name, but in Google's codebase, this cleanup would be 3-4x as
> large as the narrowing conversion cleanup, which you have already made
> optional.

Ack. When UDL support was added to G++ I also found more problems due to
"PRId64" than I had found when narrowing errors where added (in a much smaller
codebase, obviously.)