[Bug middle-end/60534] New: ICE: in expand_GOMP_SIMD_VF, at internal-fn.c:142 with -fopenmp -O -fno-tree-loop-optimize and #pragma omp simd reduction

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60534

            Bug ID: 60534
           Summary: ICE: in expand_GOMP_SIMD_VF, at internal-fn.c:142 with
                    -fopenmp -O -fno-tree-loop-optimize and #pragma omp
                    simd reduction
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz

Created attachment 32358
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32358&action=edit
reduced testcase

Compiler output:
$ gcc -fopenmp -O -fno-tree-loop-optimize testcase.c         
testcase.c: In function 'foo':
testcase.c:4:1: internal compiler error: in expand_GOMP_SIMD_VF, at
internal-fn.c:142
 foo (int a)
 ^
0x946367 expand_GOMP_SIMD_VF
        /mnt/svn/gcc-trunk/gcc/internal-fn.c:142
0x7561f9 expand_call_stmt
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:2190
0x7561f9 expand_gimple_stmt_1
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:3160
0x7561f9 expand_gimple_stmt
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:3312
0x757667 expand_gimple_basic_block
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:5152
0x759a0e gimple_expand_cfg
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:5731
0x759a0e execute
        /mnt/svn/gcc-trunk/gcc/cfgexpand.c:5951
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r208561 - ICE
4.8 - ignoring #pragma omp simd