https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114733
--- Comment #4 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:45a41ace55d0ffb1097e374868242329788ec82a commit r14-9992-g45a41ace55d0ffb1097e374868242329788ec82a Author: Richard Biener <rguent...@suse.de> Date: Tue Apr 16 10:46:03 2024 +0200 tree-optimization/114733 - neg induction fails for 1 element vectors The neg induction vectorization code isn't prepared to deal with single element vectors. PR tree-optimization/114733 * tree-vect-loop.cc (vectorizable_nonlinear_induction): Reject neg induction vectorization of single element vectors. * gcc.dg/vect/pr114733.c: New testcase.