[Bug tree-optimization/18536] New: ICE: in emit_move_insn, at expr.c:2590 with -ftree-vectorize -msse2

["commie1 at gmx dot net" <gcc-bugzilla at gcc dot gnu dot org>]

/tmp/gcc4/libexec/gcc/i686-pc-linux-gnu/4.0.0/cc1 -quiet test.c -quiet -dumpbase
test.c -msse2 -auxbase test -O -ftree-vectorize -o test.s -version             
                                                                  
GNU C version 4.0.0 20041117 (experimental) (i686-pc-linux-gnu)
        compiled by GNU C version 4.0.0 2004117 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
test.c: In function 'foo':
test.c:4: internal compiler error: in emit_move_insn, at expr.c:2590

Configured with: ../configure --prefix=/tmp/gcc4 --enable-shared
--enable-languages=c --disable-nls --disable-libmudflap


========================================================

void foo(a, b)
short     a;
short   * b;
{
        while (++a < 4) *b++ = 0;
}

========================================================

-- 
           Summary: ICE: in emit_move_insn, at expr.c:2590 with -ftree-
                    vectorize -msse2
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: commie1 at gmx dot net
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18536