From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 91478 invoked by alias); 25 Jul 2018 19:00:56 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 89290 invoked by uid 89); 25 Jul 2018 19:00:42 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-3.2 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy= X-HELO: gateway32.websitewelcome.com Received: from gateway32.websitewelcome.com (HELO gateway32.websitewelcome.com) (192.185.145.107) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 25 Jul 2018 19:00:40 +0000 Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway32.websitewelcome.com (Postfix) with ESMTP id C473F444F89 for ; Wed, 25 Jul 2018 14:00:26 -0500 (CDT) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id iP1OfZjIG79N3iP1Ofuh1j; Wed, 25 Jul 2018 14:00:26 -0500 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=itpC+SmT0KFu+B/QKBxxE83ZNredjLbpjqrYXwvctzw=; b=xFnWK1J/9Ldp+QgYFGGc1IHz1J /ioUX3qykMjZwBNeso8UufLdVtLtPwq6nHaZEfzVdK2lDXdmjQXoasaolk+ssxutN1fj0Wef/TorM 1k85xF2+/eSWDR1oYGkLKBtlw; Received: from 75-166-85-72.hlrn.qwest.net ([75.166.85.72]:36518 helo=pokyo) by box5379.bluehost.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1fiP1O-003EgP-Hc; Wed, 25 Jul 2018 14:00:26 -0500 From: Tom Tromey To: Tom de Vries Cc: gdb-patches@sourceware.org, Simon Marchi Subject: Re: [PATCH][gdb/exp] Fix exception when printing optimized out vla References: <20180719152758.24vnhbekc4hdlwax@delia> Date: Wed, 25 Jul 2018 19:00:00 -0000 In-Reply-To: <20180719152758.24vnhbekc4hdlwax@delia> (Tom de Vries's message of "Thu, 19 Jul 2018 17:27:59 +0200") Message-ID: <87a7qf16pi.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SW-Source: 2018-07/txt/msg00702.txt.bz2 >>>>> "Tom" == Tom de Vries writes: Tom> when compiling vla-optimized-out.c with -O3 and a recent gcc, and trying to Tom> print the vla a in f1, we run into this gdb exception: Tom> ... Tom> Cannot find matching parameter at DW_TAG_call_site 0x4003be at main Tom> ... Tom> This is a regression introduced by 42dc7699a2 "[gdb/exp] Fix printing of type Tom> of optimized out vla". Tom> This patch fixes the regression by wrapping the ctx.eval call in Tom> dwarf2_locexpr_baton_eval in try/catch, similar to what is done in Tom> dwarf2_evaluate_loc_desc_full. Tom> Build and reg-tested on x86_64-linux. Tom> OK for trunk? Thanks for the patch. This is ok. Tom