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 DE3493858D3C for ; Wed, 9 Nov 2022 17:47:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DE3493858D3C 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 cmgw15.mail.unifiedlayer.com (unknown [10.0.90.130]) by progateway3.mail.pro1.eigbox.com (Postfix) with ESMTP id 4958010040C3F for ; Wed, 9 Nov 2022 17:47:31 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id spAho1wTghuWGspAhoPYJx; Wed, 09 Nov 2022 17:47:31 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=Bbodbph2 c=1 sm=1 tr=0 ts=636be7b3 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=9xFQ1JgjjksA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=CCpqsmhAAAAA:8 a=IDlRQdRmUn6659e25mEA:9 a=66zSKFQpzMcA:10:demote_shortener_domain_2 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=ovW6eaiN5KYxvFmr3WNspI44FcirLHRC2yd5OF3SuPk=; b=S8BOkVfS/i2nL/vTRyGLhs7OL6 ccAdIfw7Xl9i9xVXQvzYvjr2Pi7/RQYvqLcaehYP8tSZ+W6JtwalBej3n1xyh1Uv8bMT0XhcCbcgg inpB5nPr3Y4XMyGPaNTO4aPlC; Received: from 97-122-76-186.hlrn.qwest.net ([97.122.76.186]:56810 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 1ospAg-0040Ag-PE; Wed, 09 Nov 2022 10:47:30 -0700 From: Tom Tromey To: Bruno Larsen via Gdb-patches Cc: Bruno Larsen Subject: Re: [PATCH v2 2/2] gdb/c++: Improve error messages in overload resolution References: <20221104154744.418906-1-blarsen@redhat.com> <20221104154744.418906-3-blarsen@redhat.com> X-Attribution: Tom Date: Wed, 09 Nov 2022 10:47:28 -0700 In-Reply-To: <20221104154744.418906-3-blarsen@redhat.com> (Bruno Larsen via Gdb-patches's message of "Fri, 4 Nov 2022 16:47:45 +0100") Message-ID: <87zgd010lr.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: 97.122.76.186 X-Source-L: No X-Exim-ID: 1ospAg-0040Ag-PE X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-76-186.hlrn.qwest.net (murgatroyd) [97.122.76.186]:56810 X-Source-Auth: tom+tromey.com X-Email-Count: 7 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3022.4 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 autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: >>>>> "Bruno" == Bruno Larsen via Gdb-patches writes: Bruno> When resolving overloaded functions, GDB relies on knowing relationships Bruno> between types, i.e. if a type inherits from another. However, some Bruno> compilers may not add complete information for given types as a way to Bruno> reduce unnecessary debug information. In these cases, GDB would just say Bruno> that it couldn't resolve the method or function, with no extra Bruno> information. Thanks for the patch. This looks good to me. I wonder if this could be the problem underlying https://sourceware.org/bugzilla/show_bug.cgi?id=28901 Tom