From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gproxy1-pub.mail.unifiedlayer.com (gproxy1-pub.mail.unifiedlayer.com [69.89.25.95]) by sourceware.org (Postfix) with ESMTPS id 128B03858292 for ; Tue, 5 Jul 2022 18:47:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 128B03858292 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw11.mail.unifiedlayer.com (unknown [10.0.90.126]) by progateway3.mail.pro1.eigbox.com (Postfix) with ESMTP id 3F31C100478CE for ; Tue, 5 Jul 2022 18:47:24 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id 8nZzoJezqrOQ98na0oN4Bm; Tue, 05 Jul 2022 18:47:24 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=CpF6zl0D c=1 sm=1 tr=0 ts=62c4873c a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=RgO8CyIxsXoA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=CCpqsmhAAAAA:8 a=75FAf6A6GYzAqeeAwkAA:9 a=ul9cdbp4aOFLsgKbc677:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=JxpmNoFkmbPlC7Zj5nc/E9bQcGj2zVe6Cm9hyc2uKV0=; b=dufnCXGQHsNXRD95xYu9SLj6jk mc5Mp/OkM+2SqrZws39NGYich4geKhi38CSuTsnalrlpSE8JH8nYvqssTjeY9L+jM/bzsRmYrAWxA asad6MVQUnpipF6agMk0GCE2P; Received: from 71-211-187-180.hlrn.qwest.net ([71.211.187.180]:55986 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1o8nZz-000ZZk-G6; Tue, 05 Jul 2022 12:47:23 -0600 From: Tom Tromey To: Tom de Vries via Gdb-patches Subject: Re: [PATCH][gdb/exp] Fix internal error when printing C++ pointer-to-member References: <20220630145930.GA20127@delia.home> X-Attribution: Tom Date: Tue, 05 Jul 2022 12:47:19 -0600 In-Reply-To: <20220630145930.GA20127@delia.home> (Tom de Vries via Gdb-patches's message of "Thu, 30 Jun 2022 16:59:31 +0200") Message-ID: <87fsjfv1l4.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 71.211.187.180 X-Source-L: No X-Exim-ID: 1o8nZz-000ZZk-G6 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-187-180.hlrn.qwest.net (murgatroyd) [71.211.187.180]:55986 X-Source-Auth: tom+tromey.com X-Email-Count: 1 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3023.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, JMQ_SPF_NEUTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jul 2022 18:47:26 -0000 >>>>> "Tom" == Tom de Vries via Gdb-patches writes: Tom> (gdb) print ptm^M Tom> $1 = gdb/gdbtypes.h:695: internal-error: loc_bitpos: \ Tom> Assertion `m_loc_kind == FIELD_LOC_KIND_BITPOS' failed.^M Tom> ... Tom> while printing a c++ pointer-to-member. Is this crashing due to the static field? Tom> Fix this by skipping fields with m_loc_kind != FIELD_LOC_KIND_BITPOS in Tom> cp_find_class_member, such that we have: Tom> ... Tom> (gdb) print ptm^M Tom> $1 = &A::i^M Tom> ... If so then I think it's better to skip when the field is static, not based on the loc_kind. Tom