https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101467
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:df0d7486ec9bca8a77ca106d9fbb60f819dd9cec commit r12-2350-gdf0d7486ec9bca8a77ca106d9fbb60f819dd9cec Author: Richard Biener <rguent...@suse.de> Date: Fri Jul 16 11:17:37 2021 +0200 tree-optimization/101467 - fix make_temp_ssa_name usage My previous change to vect_gen_while introduced paths which call make_temp_ssa_name with a NULL name which isn't supported. The following fixes that. 2021-07-16 Richard Biener <rguent...@suse.de> PR tree-optimization/101467 * tree-vect-stmts.c (vect_gen_while): Properly guard make_temp_ssa_name usage.