https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88597
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Feb 1 13:41:43 2019 New Revision: 268449 URL: https://gcc.gnu.org/viewcvs?rev=268449&root=gcc&view=rev Log: 2019-02-01 Richard Biener <rguent...@suse.de> PR middle-end/88597 * tree-scalar-evolution.c (analyze_scalar_evolution): Set up the instantiate cache. (instantiate_scev_binary): Elide second operand procesing if equal to the first. * tree-chrec.c (chrec_contains_symbols): Add visited set. (chrec_contains_undetermined): Likewise. (tree_contains_chrecs): Likewise. * gcc.dg/torture/pr88597.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr88597.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-chrec.c trunk/gcc/tree-scalar-evolution.c
