From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 94045 invoked by alias); 22 May 2016 18:26:51 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 94035 invoked by uid 89); 22 May 2016 18:26:51 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.5 required=5.0 tests=BAYES_00,KAM_ASCII_DIVIDERS,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy=himself X-HELO: userp1040.oracle.com Received: from userp1040.oracle.com (HELO userp1040.oracle.com) (156.151.31.81) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Sun, 22 May 2016 18:26:40 +0000 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u4MIQcK8015374 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 22 May 2016 18:26:38 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.13.8) with ESMTP id u4MIQbZD012303 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 22 May 2016 18:26:37 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id u4MIQanu021862; Sun, 22 May 2016 18:26:37 GMT Received: from [192.168.1.4] (/82.59.175.53) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 22 May 2016 11:26:36 -0700 To: "gcc-patches@gcc.gnu.org" Cc: Jason Merrill From: Paolo Carlini Subject: [C++ Patch] PR 69095 Message-ID: <5741F9D9.6040906@oracle.com> Date: Sun, 22 May 2016 18:26:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="------------060202030609020906050105" X-IsSubscribed: yes X-SW-Source: 2016-05/txt/msg01742.txt.bz2 This is a multi-part message in MIME format. --------------060202030609020906050105 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-length: 589 Hi, finally sending a patch for this issue. As noticed by submitter himself, it appears to boil down to a rather straightforward case of not rejecting unexpanded parameter packs in default arguments. In order to handle all the combinations (in/out of class, template parameter/function parameter) I added calls of check_for_bare_parameter_packs both to cp_parser_default_argument and cp_parser_late_parsing_default_args (to have a meaningful location for the latter, the patchlet which I sent earlier today is a must). Tested x86_64-linux. 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