[Bug c++/69481] ICE with C++11 alias using with templates

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69481

--- Comment #12 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Tue Dec 13 20:43:08 2016
New Revision: 243624

URL: https://gcc.gnu.org/viewcvs?rev=243624&root=gcc&view=rev
Log:
        cp/
        PR c++/69481
        * cp-tree.h (TYPE_TEMPLATE_INFO): Remove alias type checking.
        (TYPE_ALIAS_TEMPLATE_INFO): New.
        (TYPE_TEMPLATE_INFO_MAYBE_ALIAS): New.  Use those macros.
        * error.c (dump_alias_template_specialization): Adjust.
        * pt.c (maybe_process_partial_specialization)
        iterative_has_template_arg, find_parameter_packs_r,
        alias_template_specialization_p, dependent_alias_template_spec_p,
        get_underlying_template, lookup_template_class_1, unify): Adjust
        template using decl access.

        testsuite/
        PR c++/69481
        * g++.dg/cpp0x/pr69481.C: New.
(--This line, and those below, will be ignored--

M    gcc/testsuite/ChangeLog
A    gcc/testsuite/g++.dg/cpp0x/pr69481.C
M    gcc/cp/cp-tree.h
M    gcc/cp/error.c
M    gcc/cp/ChangeLog
M    gcc/cp/pt.c

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr69481.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/error.c
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog