https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86139
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Jun 14 12:31:46 2018 New Revision: 261591 URL: https://gcc.gnu.org/viewcvs?rev=261591&root=gcc&view=rev Log: 2018-06-14 Richard Biener <rguent...@suse.de> PR middle-end/86139 * tree-vect-generic.c (build_word_mode_vector_type): Remove duplicate and harmful type_hash_canon. * tree.c (type_hash_canon): Assert we didn't find ourselves. Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/tree-vect-generic.c branches/gcc-8-branch/gcc/tree.c