https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90738
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Jun 4 08:09:16 2019 New Revision: 271902 URL: https://gcc.gnu.org/viewcvs?rev=271902&root=gcc&view=rev Log: 2019-06-04 Richard Biener <rguent...@suse.de> PR tree-optimization/90738 Revert 2019-06-03 Richard Biener <rguent...@suse.de> * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original full reference tree and record in ref->ref. (vn_reference_lookup_3): Pass in original ref to ao_ref_init_from_vn_reference. (vn_reference_lookup): Likewise. * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype. * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Handle non-decl bases in the original reference. * gcc.dg/tree-ssa/alias-access-path-1.c: Scan fre1. * gcc.dg/torture/pr90738.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr90738.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-access-path-1.c trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-sccvn.c trunk/gcc/tree-ssa-sccvn.h
