https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87889
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Nov 6 10:23:30 2018 New Revision: 265833 URL: https://gcc.gnu.org/viewcvs?rev=265833&root=gcc&view=rev Log: 2018-11-06 Richard Biener <rguent...@suse.de> PR tree-optimization/87889 * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges): Do nothing if old and new arg are the same * gcc.dg/pr87894.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/pr87894.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-loop-manip.c