https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81529
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Jul 25 13:22:31 2017 New Revision: 250517 URL: https://gcc.gnu.org/viewcvs?rev=250517&root=gcc&view=rev Log: 2017-07-25 Richard Biener <rguent...@suse.de> PR tree-optimization/81529 * tree-vect-stmts.c (process_use): Disregard live induction PHIs when optimizing backedge uses. * gfortran.dg/pr81529.f90: New testcase. Added: trunk/gcc/testsuite/gfortran.dg/pr81529.f90 Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-stmts.c