[Bug target/57637] Miscompare on 178.galgel in SPEC2000 on arm

["mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57637

Mikael Pettersson <mikpe at it dot uu.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikpe at it dot uu.se

--- Comment #6 from Mikael Pettersson <mikpe at it dot uu.se> ---
(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