[Bug c/43580] New: ICE segfault compiling libgcc2.c

[joel at gcc dot gnu dot org]

Compiles at -O0.  Fails at -O1 and higher.

$ gcc --version
gcc (GCC) 4.5.0 20100328 (experimental) [trunk revision 157785]

This should also be 

/users/joel/test-gcc/b-gcc1-arm/./gcc/xgcc
-B/users/joel/test-gcc/b-gcc1-arm/./gcc/ -nostdinc
-B/users/joel/test-gcc/b-gcc1-arm/arm-rtems4.10/newlib/ -isystem
/users/joel/test-gcc/b-gcc1-arm/arm-rtems4.10/newlib/targ-include -isystem
/users/joel/test-gcc/gcc-svn/newlib/libc/include
-B/users/joel/test-gcc/install-svn/arm-rtems4.10/bin/
-B/users/joel/test-gcc/install-svn/arm-rtems4.10/lib/ -isystem
/users/joel/test-gcc/install-svn/arm-rtems4.10/include -isystem
/users/joel/test-gcc/install-svn/arm-rtems4.10/sys-include    -g -O2
-mhard-float -O2
-I/users/joel/test-gcc/gcc-svn/gcc/../newlib/libc/sys/rtems/include -g -O2
-DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include  -fno-inline -Wno-missing-prototypes -g -DHAVE_GTHR_DEFAULT
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc  -I. -I. -I../../.././gcc
-I/users/joel/test-gcc/gcc-svn/libgcc -I/users/joel/test-gcc/gcc-svn/libgcc/.
-I/users/joel/test-gcc/gcc-svn/libgcc/../gcc
-I/users/joel/test-gcc/gcc-svn/libgcc/../include  -DHAVE_CC_TLS -o _mulsc3.o
-MT _mulsc3.o -MD -MP -MF _mulsc3.dep -DL_mulsc3 -c
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c \

/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c: In function '__mulsc3':
/users/joel/test-gcc/gcc-svn/libgcc/../gcc/libgcc2.c:1889:1: internal compiler
error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ICE segfault compiling libgcc2.c
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: joel at gcc dot gnu dot org
GCC target triplet: arm-rtems4.10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43580