https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72824
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Aug 10 12:16:39 2016 New Revision: 239319 URL: https://gcc.gnu.org/viewcvs?rev=239319&root=gcc&view=rev Log: Backported from mainline 2016-08-09 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/72824 * tree-loop-distribution.c (const_with_all_bytes_same): Verify real_zerop is not negative. * gcc.c-torture/execute/ieee/pr72824.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/testsuite/ChangeLog branches/gcc-6-branch/gcc/tree-loop-distribution.c