https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63155
--- Comment #46 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Oct 16 11:23:22 2018 New Revision: 265189 URL: https://gcc.gnu.org/viewcvs?rev=265189&root=gcc&view=rev Log: 2018-10-16 Richard Biener <rguent...@suse.de> Backport from mainline 2018-09-18 Richard Biener <rguent...@suse.de> PR middle-end/63155 * tree-ssa-coalesce.c (tree_int_map_hasher): Remove. (compute_samebase_partition_bases): Likewise. (coalesce_ssa_name): Always use compute_optimized_partition_bases. (gimple_can_coalesce_p): Simplify. Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/tree-ssa-coalesce.c