[Bug bootstrap/47147] gcc 4.6 fails to compile on NetBSD

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47147

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-01-13 
00:28:20 UTC ---
actually it's not every arch - most still use _ANSI_H_ it's just x86 and x86-64
that are different