From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gproxy2-pub.mail.unifiedlayer.com (gproxy2-pub.mail.unifiedlayer.com [69.89.18.3]) by sourceware.org (Postfix) with ESMTPS id 15D403858D37 for ; Fri, 23 Jun 2023 02:36:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 15D403858D37 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 cmgw10.mail.unifiedlayer.com (unknown [10.0.90.125]) by progateway4.mail.pro1.eigbox.com (Postfix) with ESMTP id 720ED10047E1C for ; Fri, 23 Jun 2023 02:36:27 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id CWexqF5800JMxCWexqKt2z; Fri, 23 Jun 2023 02:36:27 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=BMF2EHcG c=1 sm=1 tr=0 ts=6495052b a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=of4jigFt-DYA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=MpQk9VBYHeQOg6xYPScA:9 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject: Cc:To:From:Sender:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=oATqOMtFQmasXhNoZl9/M20j9eKcVVFDiMhx2RMZ8pU=; b=yOi0/hODQOwP1jXez71t+k5HOc K3Cw0ZXoOtJDNwzfbBtc6NzLQM0kZ2SDkHpYIummuRGVSWoorhYVHv7ru3vaBkoK2akocLVNqEknh twlZbac+OrFX0xZB2MG+3S7sB; Received: from 75-166-136-83.hlrn.qwest.net ([75.166.136.83]:49070 helo=localhost.localdomain) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qCWex-002rHP-95; Thu, 22 Jun 2023 20:36:27 -0600 From: Tom Tromey To: gdb-patches@sourceware.org Cc: Tom Tromey Subject: [pushed] Fix off-by-one error Date: Thu, 22 Jun 2023 20:36:21 -0600 Message-Id: <20230623023621.2257026-1-tom@tromey.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: 75.166.136.83 X-Source-L: No X-Exim-ID: 1qCWex-002rHP-95 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-136-83.hlrn.qwest.net (localhost.localdomain) [75.166.136.83]:49070 X-Source-Auth: tom+tromey.com X-Email-Count: 1 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3025.5 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,GIT_PATCH_0,JMQ_SPF_NEUTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Simon pointed out that commit a2bbca9fa5e ("Use std::vector for agent_expr::reg_mask") caused a regression in libstdc++ debug mode. This was due to an off-by-one error in a vector resize. This patch fixes the problem. --- gdb/ax-general.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gdb/ax-general.c b/gdb/ax-general.c index 3c724a0e38b..26a27a0bcad 100644 --- a/gdb/ax-general.c +++ b/gdb/ax-general.c @@ -414,7 +414,7 @@ ax_reg_mask (struct agent_expr *ax, int reg) /* Grow the bit mask if necessary. */ if (reg >= ax->reg_mask.size ()) - ax->reg_mask.resize (reg); + ax->reg_mask.resize (reg + 1); ax->reg_mask[reg] = true; } -- 2.39.2