https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80815
--- Comment #5 from amker at gcc dot gnu.org --- Author: amker Date: Fri May 26 14:18:26 2017 New Revision: 248512 URL: https://gcc.gnu.org/viewcvs?rev=248512&root=gcc&view=rev Log: PR tree-optimization/80815 * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition for merging runtime alias checks. Handle negative DR_STEPs. gcc/testsuite * gcc.dg/vect/pr80815-1.c: New test. * gcc.dg/vect/pr80815-2.c: New test. Added: trunk/gcc/testsuite/gcc.dg/vect/pr80815-1.c trunk/gcc/testsuite/gcc.dg/vect/pr80815-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-data-ref.c