https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90359
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon May 6 12:40:18 2019 New Revision: 270907 URL: https://gcc.gnu.org/viewcvs?rev=270907&root=gcc&view=rev Log: 2019-05-06 Richard Biener <rguent...@suse.de> PR bootstrap/90359 Backport from mainline 2019-03-11 Jakub Jelinek <ja...@redhat.com> PR middle-end/89655 PR bootstrap/89656 * vr-values.c (vr_values::update_value_range): If old_vr->varying_p (), don't update it, make new_vr also VARYING and return false. * gcc.c-torture/compile/pr89655.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/gcc.c-torture/compile/pr89655.c Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/testsuite/ChangeLog branches/gcc-8-branch/gcc/vr-values.c