https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88870
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu Feb 7 14:29:14 2019 New Revision: 268621 URL: https://gcc.gnu.org/viewcvs?rev=268621&root=gcc&view=rev Log: Backported from mainline 2019-01-17 Jakub Jelinek <ja...@redhat.com> PR rtl-optimization/88870 * dce.c (deletable_insn_p): Never delete const/pure calls that can throw if we can't alter the cfg or delete dead exceptions. (mark_insn): Don't call find_call_stack_args for such calls. * gcc.dg/pr88870.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr88870.c Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/dce.c branches/gcc-8-branch/gcc/testsuite/ChangeLog