[Bug tree-optimization/64258] internal compiler error: Segmentation fault (on loop optimization?)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64258

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-12-11
          Component|c++                         |tree-optimization
             Blocks|                            |59859
     Ever confirmed|0                           |1
      Known to fail|                            |4.8.3, 4.9.2

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.

crash_compiler.cpp:12:1: internal compiler error: Segmentation fault
0xdaca1e crash_signal
        /space/rguenther/src/svn/gcc-4_9-branch/gcc/toplev.c:337
0x1489924 subtract_commutative_associative_deps
        /space/rguenther/src/svn/gcc-4_9-branch/gcc/graphite-dependences.c:430
0x1489d3e compute_deps(scop*, vec<poly_bb*, va_heap, vl_ptr>, isl_union_map**,
isl_union_map**, isl_union_map**, isl_union_map**, isl_union_map**,
isl_union_map**, isl_union_map**, isl_union_map**, isl_union_map**,
isl_union_map**, isl_union_map**, isl_union_map**)
        /space/rguenther/src/svn/gcc-4_9-branch/gcc/graphite-dependences.c:502
0x1489ff2 loop_level_carries_dependences
        /space/rguenther/src/svn/gcc-4_9-branch/gcc/graphite-dependences.c:566
0x148a15c loop_is_parallel_p(loop*, hash_table<bb_pbb_hasher, xcallocator>,
int)
        /space/rguenther/src/svn/gcc-4_9-branch/gcc/graphite-dependences.c:598
0x148687a translate_clast_for_loop
       
/space/rguenther/src/svn/gcc-4_9-branch/gcc/graphite-clast-to-gimple.c:1200