From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-411322-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 16505 invoked by alias); 7 Jan 2013 08:04:01 -0000
Received: (qmail 16220 invoked by uid 55); 7 Jan 2013 08:03:40 -0000
From: "dodji at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/52343] [C++11] alias-definition dont work in `template<class>` params type
Date: Mon, 07 Jan 2013 08:04:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Keywords: rejects-valid
X-Bugzilla-Severity: normal
X-Bugzilla-Who: dodji at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: dodji at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields:
Message-ID: <bug-52343-4-2t2BGHqjHf@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-52343-4@http.gcc.gnu.org/bugzilla/>
References: <bug-52343-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2013-01/txt/msg00441.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52343

--- Comment #5 from Dodji Seketeli <dodji at gcc dot gnu.org> 2013-01-07 08:03:39 UTC ---
Author: dodji
Date: Mon Jan  7 08:03:33 2013
New Revision: 194960

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194960
Log:
PR c++/52343 - error with alias template as template template argument

In the example accompanying this patch, check_instantiated_arg tries
to ensure that a non-type template argument should be a constant if it
has integral or enumeration type.

The problem is that an alias template which type-id is, e.g, an
integer, looks like an argument that has integral/enumeration type:
its TREE_TYPE is an integer type.  So check_instantiated_arg
mistenkaly barks that this integral non-type argument is not a
constant.

Bootstrapped and tested on x86_64-unknown-linux-gnu against trunk.

gcc/cp/

    PR c++/52343
    * pt.c (check_instantiated_arg): Allow type template arguments.

gcc/testsuite/

    PR c++/52343
    * g++.dg/cpp0x/alias-decl-29.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/alias-decl-29.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog