https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102798
--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:6a6ed1bd9d0b20d0ec0ca6d7ab1e0cefe57db687 commit r10-10463-g6a6ed1bd9d0b20d0ec0ca6d7ab1e0cefe57db687 Author: Richard Biener <rguent...@suse.de> Date: Mon Oct 18 09:10:43 2021 +0200 tree-optimization/102798 - avoid copying PTA info to old SSA names The vectorizer duplicates pointer-info to created pointer bases but it has to avoid changing points-to info on existing SSA names because there's now flow-sensitive info in there (pt->pt_null as set from VRP). 2021-10-18 Richard Biener <rguent...@suse.de> PR tree-optimization/102798 * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Only copy points-to info to newly generated SSA names. * gcc.dg/pr102798.c: New testcase. (cherry picked from commit 1631d6d2910e03e4517079d6e6ad0ae1aeb24dfa)
