http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Mon Nov 4 20:17:17 2013 New Revision: 204357 URL: http://gcc.gnu.org/viewcvs?rev=204357&root=gcc&view=rev Log: PR tree-optimization/58978 * tree-vrp.c (all_imm_uses_in_stmt_or_feed_cond): Don't modify use_stmt by single_imm_use directly. Only call single_imm_use on SSA_NAMEs. * gcc.c-torture/compile/pr58978.c: New test. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr58978.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c