https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78644
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Mar 28 13:57:43 2017 New Revision: 246534 URL: https://gcc.gnu.org/viewcvs?rev=246534&root=gcc&view=rev Log: 2017-03-28 Richard Biener <rguent...@suse.de> PR tree-optimization/78644 * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value of a simplification result we may not use it at all. * gcc.dg/pr78644-1.c: New testcase. * gcc.dg/pr78644-2.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/pr78644-1.c trunk/gcc/testsuite/gcc.dg/pr78644-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-ccp.c