https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #8 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Mon Jun 13 20:55:59 2016 New Revision: 237403 URL: https://gcc.gnu.org/viewcvs?rev=237403&root=gcc&view=rev Log: PR tree-optimization/71403 * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path): No longer accept reference to path. Do not pop items off the path anymore. (fsm_find_control_statement_thread_paths): Do not allow threading to a deeper loop nest. Pop the last item off the path here rather than in convert_and_register_jump_thread_path. PR tree-optimization/71403 * c-c++-common/ubsan/pr71403-1.c: New test. * c-c++-common/ubsan/pr71403-2.c: New test. * c-c++-common/ubsan/pr71403-3.c: New test. Added: trunk/gcc/testsuite/c-c++-common/ubsan/pr71403-1.c trunk/gcc/testsuite/c-c++-common/ubsan/pr71403-2.c trunk/gcc/testsuite/c-c++-common/ubsan/pr71403-3.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-threadbackward.c
