https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77834
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Dec 7 22:49:10 2016 New Revision: 243400 URL: https://gcc.gnu.org/viewcvs?rev=243400&root=gcc&view=rev Log: Backported from mainline 2016-11-07 Jakub Jelinek <ja...@redhat.com> PR target/77834 * dse.c (dse_step5): Call scan_reads even if just insn_info->frame_read. Improve and fix dump file messages. Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/dse.c