[Bug tree-optimization/90869] Non-disambiguated memory accesses

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90869

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Thu Jun 13 15:00:41 2019
New Revision: 272247

URL: https://gcc.gnu.org/viewcvs?rev=272247&root=gcc&view=rev
Log:
        PR tree-optimize/90869
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
        converts in MEM_REF referencing decl rather than view converts
        from decl type to MEM_REF type.

        * g++.dg/tree-ssa/alias-access-path-1.C: New testcase.


Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/alias-access-path-1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c