[Bug middle-end/56680] New: ICE for spec2K's 178.galgel and 200.sixtrack for x86_64 at O3

[izamyatin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56680

             Bug #: 56680
           Summary: ICE for spec2K's 178.galgel and 200.sixtrack for
                    x86_64 at O3
    Classification: Unclassified
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: izamyatin@gmail.com


On Linux/x86-64, for O3 level revision  
Author: rguenth
Date: Wed Mar 20 09:01:52 2013
New Revision: 196810

URL: http://gcc.gnu.org/viewcvs?rev=196810&root=gcc&view=rev
Log:
2013-03-20  Richard Biener  <rguenther@suse.de>

    * tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Do not
    check whether an SSA update is needed.


produces ICE for 178 and 200:
internal compiler error: tree check: expected ssa_name, have var_decl in
verify_ssa, at tree-ssa.c:1008

0xb2ff0a tree_check_failed(tree_node const*, char const*, int, char const*,
...)
        ../../gcc/tree.c:8944
0xac92da tree_check
        ../../gcc/tree.h:3684
0xac92da verify_ssa(bool)
        ../../gcc/tree-ssa.c:1008
0x8a9f82 execute_function_todo
        ../../gcc/passes.c:1964
0x8aa96d execute_todo
        ../../gcc/passes.c:1996