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: unassig...@gcc.gnu.org

        ReportedBy: gre...@gcc.gnu.org

                CC: rguent...@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*"

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