https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80025
--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Fri May 5 21:48:02 2017 New Revision: 247693 URL: https://gcc.gnu.org/viewcvs?rev=247693&root=gcc&view=rev Log: Backported from mainline 2017-03-31 Jakub Jelinek <ja...@redhat.com> PR debug/80025 * cselib.c (cselib_hasher::equal): Pass 0 to rtx_equal_for_cselib_1. (rtx_equal_for_cselib_1): Add depth argument. If depth is 128, don't look up VALUE locs and punt. Increment depth in recursive calls when walking VALUE locs. * gcc.dg/torture/pr80025.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr80025.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/cselib.c branches/gcc-6-branch/gcc/testsuite/ChangeLog