https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111156
--- Comment #19 from GCC 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:b312cf21afd62b43fbc5034703e2796b0c3c416d commit r14-9011-gb312cf21afd62b43fbc5034703e2796b0c3c416d Author: Richard Biener <rguent...@suse.de> Date: Thu Feb 15 13:41:25 2024 +0100 tree-optimization/111156 - properly dissolve SLP only groups The following fixes the omission of failing to look at pattern stmts when we need to dissolve SLP only groups. PR tree-optimization/111156 * tree-vect-loop.cc (vect_dissolve_slp_only_groups): Look at the pattern stmt if any.