[Bug tree-optimization/54976] New: FAIL: gcc.dg/torture/pr47975.c (internal compiler error)

[gretay at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54976

             Bug #: 54976
           Summary: FAIL: gcc.dg/torture/pr47975.c (internal compiler
                    error)
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: gretay@gcc.gnu.org
                CC: rguenther@suse.de


ICE in several tests on arm-none-eabi, caused by r192390, which was a patch to
fix PR54894.

./cc1 -D__USES_INITFINI__ -D STACK_SIZE=16384
/work/local-checkouts/gcc-fsf/gcc/testsuite/gcc.dg/torture/pr47975.c -quiet
-dumpbase pr47975.c -mcpu=cortex-a9 -mfloat-abi=softfp -mfpu=neon
-auxbase-strip pr47975.s -O3 -o /work/tmp/pr47975.s 
/work/local-checkouts/gcc-fsf/gcc/testsuite/gcc.dg/torture/pr47975.c: In
function 'foo':
/work/local-checkouts/gcc-fsf/gcc/testsuite/gcc.dg/torture/pr47975.c:7:1:
internal compiler error: Segmentation fault
 foo (void)
 ^
0x8ae615 crash_signal
    /work/local-checkouts/gcc-fsf/gcc/toplev.c:335
0x4ef3b4 tree_class_check
    /work/local-checkouts/gcc-fsf/gcc/tree.h:3794
0xa4dc8a execute_vect_slp
    /work/local-checkouts/gcc-fsf/gcc/tree-vectorizer.c:170

Configured with: /work/local-checkouts/gcc-fsf/configure --target=arm-none-eabi
--prefix=/work/bisect/build-full-192390/install
--with-sysroot=/work/bisect/build-full-192390/install/arm-none-eabi
--with-newlib --with-gnu-as --with-gnu-ld --enable-languages=c,c++
--disable-shared --disable-nls --disable-threads --disable-lto --disable-tls
--enable-checking=yes --disable-libssp --disable-libgomp --disable-libmudflap
--with-cpu=cortex-a9 --with-fpu=neon --with-float=softfp 
Thread model: single
gcc version 4.8.0 20121012 (experimental) (GCC) 

FAIL: gcc.dg/torture/pr47975.c * (internal compiler error)
FAIL: gcc.c-torture/compile/pr54713-1.c * (internal compiler error)
FAIL: c-c++-common/torture/vshuf-* * (internal compiler error)

All the failures:
make check-gcc RUNTESTFLAGS="dg-torture.exp=pr47975*"
make check-gcc RUNTESTFLAGS="dg-torture.exp=vshuf-*"
make check-gcc RUNTESTFLAGS="compile.exp=pr54713-1*"