http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590
--- Comment #37 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-05 13:29:20 UTC --- Author: rguenth Date: Wed Sep 5 13:29:13 2012 New Revision: 190978 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190978 Log: 2012-09-05 Richard Guenther <rguent...@suse.de> PR tree-optimization/46590 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Do not update SSA form here. (canonicalize_induction_variables): Assert we do not need to update SSA form. (tree_unroll_loops_completely): Update SSA form here. * tree-ssa-loop-manip.c (gimple_duplicate_loop_to_header_edge): Do not verify loop-closed SSA form if SSA form is not up-to-date. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-loop-ivcanon.c trunk/gcc/tree-ssa-loop-manip.c