[Bug tree-optimization/50735] New: [4.7 Regression] gcc.dg/torture/vector-2.c:52:1: ICE: verify_ssa failed at -O1 and above

["danglin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50735

             Bug #: 50735
           Summary: [4.7 Regression] gcc.dg/torture/vector-2.c:52:1: ICE:
                    verify_ssa failed at -O1 and above
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11


Executing on host: /test/gnu/gcc/objdir/gcc/xgcc -B/test/gnu/gcc/objdir/gcc/
/te
st/gnu/gcc/gcc/gcc/testsuite/gcc.dg/torture/vector-2.c    -O1    -lm   -o
./vect
or-2.exe    (timeout =
300)/test/gnu/gcc/gcc/gcc/testsuite/gcc.dg/torture/vector-2.c: In function
'f0':
/test/gnu/gcc/gcc/gcc/testsuite/gcc.dg/torture/vector-2.c:52:1: error:
statement makes a memory store, but has no VDEFSBIT_FIELD_REF <t.13_8, 32, 0> =
a_2(D);
/test/gnu/gcc/gcc/gcc/testsuite/gcc.dg/torture/vector-2.c:52:1: internal
compile
r error: verify_ssa failed

-bash-3.2$ ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa2.0w-hp-hpux11.11
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu/bin/as
--enable-shared --with-local-prefix=/opt/gnu --prefix=/opt/gnu/gcc/gcc-4.7
--with-gmp=/opt/gnu/gcc/gmp --enable-threads=posix --enable-debug=no
--disable-nls --without-cloog --without-ppl
--enable-languages=c,c++,objc,fortran,java,ada,obj-c++
Thread model: posix
gcc version 4.7.0 20111013 (experimental) [trunk revision 179947] (GCC)