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

[dongsheng.song at gmail dot com]

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

--- Comment #19 from Dongsheng Song <dongsheng.song at gmail dot com> ---
When I use this 64 bit gcc 4.9 cross compiler to generate the native compiler,
I got the error:

In file included from
/home/cauchy/cross/x86_64-windows-gcc49/lib/gcc/x86_64-w64-mingw32/4.9.0/include/x86intrin.h:27:0,
                 from
/home/cauchy/cross/x86_64-windows-gcc49/x86_64-w64-mingw32/include/winnt.h:1495,
                 from
/home/cauchy/cross/x86_64-windows-gcc49/x86_64-w64-mingw32/include/minwindef.h:146,
                 from
/home/cauchy/cross/x86_64-windows-gcc49/x86_64-w64-mingw32/include/windef.h:8,
                 from
/home/cauchy/cross/x86_64-windows-gcc49/x86_64-w64-mingw32/include/windows.h:69,
                 from
/home/cauchy/vcs/svn/gcc/trunk/gcc/config/i386/host-mingw32.c:29:
/home/cauchy/cross/x86_64-windows-gcc49/lib/gcc/x86_64-w64-mingw32/4.9.0/include/ia32intrin.h:54:28:
sorry, unimplemented: -mno-fentry isn't compatible with SEH
 #pragma GCC target("sse4.2")
                            ^
make[2]: *** [host-mingw32.o] Error 1
make[2]: Leaving directory `/home/cauchy/obj/native/gcc-4.9-win64/gcc/gcc'
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory `/home/cauchy/obj/native/gcc-4.9-win64/gcc'
make: *** [all] Error 2

The full error log file in the attachment 30835.