[Bug c++/50800] Internal compiler error in finish_member_declarations, possibly related to may_alias attribute

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50800

--- Comment #16 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Apr 28 14:43:54 2015
New Revision: 222530

URL: https://gcc.gnu.org/viewcvs?rev=222530&root=gcc&view=rev
Log:
        PR c++/50800
        * tree.c (strip_typedefs): Add remove_attributes parm.
        (strip_typedefs_expr): Likewise.
        (apply_identity_attributes): New subroutine of strip_typedefs.
        * pt.c (canonicalize_type_argument): Let strip_typedefs handle attrs.
        (convert_nontype_argument, unify): Likewise.
        * cp-tree.h: Adjust.

Added:
    trunk/gcc/testsuite/g++.dg/ext/attrib50.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/tree.c
    trunk/gcc/testsuite/g++.dg/abi/mangle40.C
    trunk/gcc/testsuite/g++.dg/ext/alias-mangle.C