https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67170
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Sep 29 13:04:18 2015 New Revision: 228244 URL: https://gcc.gnu.org/viewcvs?rev=228244&root=gcc&view=rev Log: 2015-09-29 Richard Biener <rguent...@suse.de> PR tree-optimization/67170 * tree-ssa-alias.h (get_continuation_for_phi): Adjust the translate function pointer parameter to get the bool whether to disambiguate only by reference. (walk_non_aliased_vuses): Likewise. * tree-ssa-alias.c (maybe_skip_until): Adjust. (get_continuation_for_phi_1): Likewise. (get_continuation_for_phi): Likewise. (walk_non_aliased_vuses): Likewise. * tree-ssa-sccvn.c (const_parms): New bitmap. (vn_reference_lookup_3): Adjust for interface change. Disambiguate parameters pointing to readonly memory. (free_scc_vn): Free const_parms. (run_scc_vn): Initialize const_parms from a fn spec attribute. * gfortran.dg/pr67170.f90: New testcase. Added: trunk/gcc/testsuite/gfortran.dg/pr67170.f90 Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-alias.h trunk/gcc/tree-ssa-sccvn.c