https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81900
--- Comment #11 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- Author: aldyh Date: Wed Sep 13 17:14:07 2017 New Revision: 252505 URL: https://gcc.gnu.org/viewcvs?rev=252505&root=gcc&view=rev Log: 2017-08-21 Richard Biener <rguent...@suse.de> PR tree-optimization/81900 * tree-ssa-pre.c (compute_antic_aux): Properly compute changed for blocks with abnormal predecessors. (compute_antic): Do not set visited flag prematurely. * gcc.dg/torture/pr81900.c: New testcase. Added: branches/range-gen2/gcc/testsuite/gcc.dg/torture/pr81900.c Modified: branches/range-gen2/gcc/ChangeLog branches/range-gen2/gcc/testsuite/ChangeLog branches/range-gen2/gcc/tree-ssa-pre.c