https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111136
--- Comment #6 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:a739bac402ea5a583e43dbd01c14ebaff317c885 commit r14-3477-ga739bac402ea5a583e43dbd01c14ebaff317c885 Author: Richard Biener <rguent...@suse.de> Date: Fri Aug 25 09:42:16 2023 +0200 tree-optimization/111136 - STMT_VINFO_SLP_VECT_ONLY and stores vect_dissolve_slp_only_groups currently only expects loads, for stores we have to make sure to mark the dissolved "groups" strided. PR tree-optimization/111136 * tree-vect-loop.cc (vect_dissolve_slp_only_groups): For stores force STMT_VINFO_STRIDED_P and also duplicate that to all elements.