https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84057
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Jan 29 09:16:09 2018 New Revision: 257139 URL: https://gcc.gnu.org/viewcvs?rev=257139&root=gcc&view=rev Log: 2018-01-29 Richard Biener <rguent...@suse.de> PR tree-optimization/84057 * tree-ssa-loop-ivcanon.c (unloop_loops): Deal with already removed paths when removing edges. * gcc.dg/graphite/pr84057.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/graphite/pr84057.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-loop-ivcanon.c