[Bug bootstrap/51705] [4.7 Regression] FreeBSD uses unsupported C++11 features when __cplusplus == 201103L

[andreast at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51705

--- Comment #34 from Andreas Tobler <andreast at gcc dot gnu.org> 2012-01-09 
20:32:00 UTC ---
Just to double check, shall I leave the backslash in this line?

c_fix_arg = "__attribute__\(\(__noreturn__\)\)";

And more important, do we have an ok for a commit of this patch?