https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69776
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Feb 16 15:00:45 2016 New Revision: 233453 URL: https://gcc.gnu.org/viewcvs?rev=233453&root=gcc&view=rev Log: 2016-02-16 Richard Biener <rguent...@suse.de> PR tree-optimization/69776 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias sets from caller. (indirect_refs_may_alias_p): Likewise. (refs_may_alias_p_1): Pass alias sets as from ao_ref. * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set according to tbaa_p. * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag. (optimize_stmt): For redundant store discovery do not allow tbaa. * gcc.dg/torture/pr69776-2.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr69776-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-dom.c trunk/gcc/tree-ssa-sccvn.c
