https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78684
--- Comment #9 from amker at gcc dot gnu.org --- Author: amker Date: Thu Dec 8 10:56:41 2016 New Revision: 243431 URL: https://gcc.gnu.org/viewcvs?rev=243431&root=gcc&view=rev Log: PR middle-end/78684 * tree-vect-loop-manip.c (create_intersect_range_checks_index): Check sign bit for index step of data reference. gcc/testsuite PR middle-end/78684 * g++.dg/torture/pr78684.C: New test. Added: trunk/gcc/testsuite/g++.dg/torture/pr78684.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-loop-manip.c