https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80374
--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Mon Apr 10 19:19:42 2017 New Revision: 246819 URL: https://gcc.gnu.org/viewcvs?rev=246819&root=gcc&view=rev Log: PR tree-optimization/80374 * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to record anything if we can not convert integer_zero_node to the desired type. PR tree-optimization/80374 * g++.dg/pr80374.c: New test. Added: trunk/gcc/testsuite/g++.dg/pr80374.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-dom.c