[Bug target/57848] internal compiler error on builtin and '#pragma GCC target()' option

[jacek at codeweavers dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57848

--- Comment #17 from Jacek Caban <jacek at codeweavers dot com> ---
(In reply to Dongsheng Song from comment #14)
> Created attachment 30804 [details]
> 32 bit gcc 4.9 build errors

This has to be fixed in mingw-w64-headers. I will attach a draft of the patch
for testing.