[Bug tree-optimization/59523] New: ICE on spec2000/176.gcc, 200.sixtrack after r205856 for -march=core-avx2

[izamyatin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59523

            Bug ID: 59523
           Summary: ICE on spec2000/176.gcc, 200.sixtrack after r205856
                    for -march=core-avx2
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: izamyatin at gmail dot com
            Target: x86

Happens for options -Ofast -march=core-avx2

For 176.gcc
global.c: In function 'global_alloc':
global.c:277:1: error: excess use operand for stmt
 global_alloc (file)
 ^
1
if (1 != 0)
global.c:277:1: internal compiler error: verify_ssa failed
0xb4c71c verify_ssa(bool)
        ../../gcc/tree-ssa.c:1096
0xabff64 verify_loop_closed_ssa(bool)
        ../../gcc/tree-ssa-loop-manip.c:601
0xac03a4 gimple_duplicate_loop_to_header_edge(loop*, edge_def*, unsigned int,
simple_bitmap_def*, edge_def*, vec<edge_def*, va_heap, vl_ptr>*, int)
        ../../gcc/tree-ssa-loop-manip.c:772
0x669f50 loop_version(loop*, void*, basic_block_def**, unsigned int, unsigned
int, unsigned int, bool)
        ../../gcc/cfgloopmanip.c:1714
0xb948dc vect_loop_versioning(_loop_vec_info*, unsigned int, bool)
        ../../gcc/tree-vect-loop-manip.c:2368
0xb83a10 vect_transform_loop(_loop_vec_info*)
        ../../gcc/tree-vect-loop.c:5784
0xba0ce9 vectorize_loops()
        ../../gcc/tree-vectorizer.c:473