https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101229
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:bd5391d309efc8533deb04dd0b5a7b8072592c1d commit r11-8700-gbd5391d309efc8533deb04dd0b5a7b8072592c1d Author: Richard Biener <rguent...@suse.de> Date: Mon Jun 28 11:05:46 2021 +0200 tree-optimization/101229 - fix vectorizer SLP hybrid detection with PHIs This fixes the missing handling of PHIs in gimple_walk_op which causes the new vectorizer SLP hybrid detection scheme to fail. 2021-06-28 Richard Biener <rguent...@suse.de> PR tree-optimization/101229 * gimple-walk.c (gimple_walk_op): Handle PHIs. * gcc.dg/torture/pr101229.c: New testcase. (cherry picked from commit f80c4eaca0805bc9e68ed944519519c3dd1c12e1)