Comment 14 for bug 1194123

(In reply to zhenqiang.chen from comment #3)
> Created attachment 30330 [details]
> pr57637.patch

This patch breaks Ada bootstrap on x86_64 for me:

/tmp/objdir/./prev-gcc/xgcc -B/tmp/objdir/./prev-gcc/ -B/tmp/install49/x86_64-unknown-linux-gnu/bin/ -B/tmp/install49/x86_64-unknown-linux-gnu/bin/ -B/tmp/install49/x86_64-unknown-linux-gnu/lib/ -isystem /tmp/install49/x86_64-unknown-linux-gnu/include -isystem /tmp/install49/x86_64-unknown-linux-gnu/sys-include -c -g -O2 -gtoggle -gnatpg -W -Wall -g -O1 -fno-inline \
 -nostdinc -I- -I. -Iada -I/tmp/gcc-4.9-20130616/gcc/ada -I/tmp/gcc-4.9-20130616/gcc/ada/gcc-interface /tmp/gcc-4.9-20130616/gcc/ada/a-except.adb -o ada/a-except.o

raised STORAGE_ERROR : stack overflow or erroneous memory access
make[3]: *** [ada/a-except.o] Error 1
make[3]: Leaving directory `/tmp/objdir/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/tmp/objdir'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/tmp/objdir'
make: *** [bootstrap] Error 2