[Bug c++/66270] [6 Regression] ICE: canonical types differ for identical types

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66270

--- Comment #2 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Wed May 27 20:36:14 2015
New Revision: 223773

URL: https://gcc.gnu.org/viewcvs?rev=223773&root=gcc&view=rev
Log:
        PR c++/66270
        * tree.c (build_pointer_type_for_mode): Canonical type does not
        inherit can_alias_all.
        (build_reference_type_for_mode): Likewise.

        PR c++/66270
        * g++.dg/ext/alias-canon3.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/ext/alias-canon3.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c