https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95856
--- 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:d32708e796504eaeaad7d19990909204d74f9ba3 commit r11-1621-gd32708e796504eaeaad7d19990909204d74f9ba3 Author: Richard Biener <rguent...@suse.de> Date: Tue Jun 23 13:59:20 2020 +0200 tree-optimization/95856 fix vect_stmt_dominates_stmt_p at BB region boundary The following adjusts vect_stmt_dominates_stmt_p to honor out-of-region stmts we run into which have UID -1u. 2020-06-24 Richard Biener <rguent...@suse.de> PR tree-optimization/95856 * tree-vectorizer.c (vect_stmt_dominates_stmt_p): Honor region marker -1u. * gcc.dg/vect/pr95856.c: New testcase.