From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 65079 invoked by alias); 26 Feb 2018 17:51:41 -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 65067 invoked by uid 89); 26 Feb 2018 17:51:41 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.7 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy= X-HELO: mail-it0-f42.google.com Received: from mail-it0-f42.google.com (HELO mail-it0-f42.google.com) (209.85.214.42) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 26 Feb 2018 17:51:39 +0000 Received: by mail-it0-f42.google.com with SMTP id a203so12560661itd.1 for ; Mon, 26 Feb 2018 09:51:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=6g4zdHILIPOPar4aClle+E4+m1MUG6+kExs0dOCwvF4=; b=OUJls4lH1molA48br33tLYuIfDitduOa0UnVWBD4jCRwSQDz/3JaGvNJVUzabGWwlL tCOfMKzRjPJwRs0uDGHZVx81M9afj5pwMe9IK/jsTRPZO2dQ41SD+8eZfrCc0tGstW+7 utWzTpFB/eqhj9LcPoooqCje1vBngVD6bi+Eaq/RiuNrt+xS4+yN3C+71zUW6ucOx3fr 3VTf6AJk+/qoVSuXrsEiMyHf4zvK/yzGKHkWnvo795XsCuLMhAq3fh2vtY5tmn1yKWd9 jelhBoeMqGfM3yi1dP0GEbB+v6tr9LQ/V63qDm0EbbZTP4zyZyx1L+aM7aL7BCie07TN NMZQ== X-Gm-Message-State: APf1xPDh9k5qCEsz9cPg42+nsvlFZVznDIPsmEu4gPnaMVxbje/4I3OC ziqzMgI620QAzX+EVjKhZVd+ViyJBqKQ6gBF9pNcsQ== X-Google-Smtp-Source: AG47ELuTN1jhQJGQRdzwdJNp+8n2GizrMleggNJPKu4lazIAVvJL0BqD4vKRO/y28QHIADUpcafd0AAqmgRy+3w/Iwc= X-Received: by 10.36.82.84 with SMTP id d81mr13412380itb.34.1519667497763; Mon, 26 Feb 2018 09:51:37 -0800 (PST) MIME-Version: 1.0 Received: by 10.107.17.200 with HTTP; Mon, 26 Feb 2018 09:51:17 -0800 (PST) In-Reply-To: References: From: Jason Merrill Date: Mon, 26 Feb 2018 17:51:00 -0000 Message-ID: Subject: Re: [C++ Patch] PR 84540 ("[6/7/8 Regression] ICE with alignas in variadic template") To: Paolo Carlini Cc: "gcc-patches@gcc.gnu.org" Content-Type: text/plain; charset="UTF-8" X-IsSubscribed: yes X-SW-Source: 2018-02/txt/msg01448.txt.bz2 OK. On Mon, Feb 26, 2018 at 11:56 AM, Paolo Carlini wrote: > Hi, > > this regression is an ICE on valid, and seems rather easy to analyze: both > apply_late_template_attributes and tsubst_attributes don't appear to cope > correctly with tsubst_attribute returning NULL_TREE. That, in turn, seems > normal for an empty pack - as in the testcases - given the structure of the > last part of the latter, handling PACK_EXPANSION_P (val). I'm finishing > testing on x86_64-linux (in libstdc++-v3, so far so good). > > Thanks, Paolo. > > /////////////////// >