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 20B663857BA8 for ; Fri, 10 Jun 2022 20:38:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 20B663857BA8 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 progateway4.mail.pro1.eigbox.com (Postfix) with ESMTP id 052211004779B for ; Fri, 10 Jun 2022 20:38:27 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id zlOknS79LrOQ9zlOknYjyG; Fri, 10 Jun 2022 20:38:26 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=CpF6zl0D c=1 sm=1 tr=0 ts=62a3abc2 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=IkcTkHD0fZMA:10:nop_charset_1 a=JPEYwPQDsx4A:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=FFrCevKns3gVjvdSsAgA:9 a=QEXdDO2ut3YA:10:nop_charset_2 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To: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=9+pFWVpEZfprolHV0mXRLD2W2m6mDI1aij5jjh+fc7A=; b=Wl1FkFqh82fZNUMj/Yo7G6c8tE QXpUHj45Ycc9VJ6D4DJrlLTdygD6IIDZGU9Z9NPlCf1nZAglahucQUwybrrFKixwdZnUu6E5Wa+wa Cidht5klUpejWoUgmvdV+/C7m; Received: from 71-211-171-143.hlrn.qwest.net ([71.211.171.143]:45650 helo=prentzel.Home) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1nzlOk-003H8u-7Z; Fri, 10 Jun 2022 14:38:26 -0600 From: Tom Tromey To: gdb-patches@sourceware.org Cc: Tom Tromey Subject: [pushed] Fix warning-avoidance initialization in xcoffread.c Date: Fri, 10 Jun 2022 14:38:23 -0600 Message-Id: <20220610203823.1165093-1-tom@tromey.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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: 71.211.171.143 X-Source-L: No X-Exim-ID: 1nzlOk-003H8u-7Z X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-171-143.hlrn.qwest.net (prentzel.Home) [71.211.171.143]:45650 X-Source-Auth: tom+tromey.com X-Email-Count: 1 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3027.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, JMQ_SPF_NEUTRAL, RCVD_IN_BL_SPAMCOP_NET, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, 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 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: Fri, 10 Jun 2022 20:38:37 -0000 With the registry rewrite series, on Fedora 34, I started seeing this error in xcoffread.c: ../../binutils-gdb/gdb/xcoffread.c: In function ‘void read_xcoff_symtab(objfile*, legacy_psymtab*)’: ../../binutils-gdb/gdb/xcoffread.c:948:25: error: ‘main_aux’ is used uninitialized [-Werror=uninitialized] 948 | union internal_auxent fcn_aux_saved = main_aux; | ^~~~~~~~~~~~~ ../../binutils-gdb/gdb/xcoffread.c:933:25: note: ‘main_aux’ declared here 933 | union internal_auxent main_aux; | ^~~~~~~~ I don't know why this error started suddenly... that seems weird, because it's not obviously related to the changes I made. Looking into it, it seems this line was intended to avoid a similar warning -- but since 'main_aux' is uninitialized at the point where it is used, this fix was incomplete. This patch avoids the warning by initializing using "{}". I'm checking this in. --- gdb/xcoffread.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c index e520d7ad40b..9e571d0419c 100644 --- a/gdb/xcoffread.c +++ b/gdb/xcoffread.c @@ -945,7 +945,7 @@ read_xcoff_symtab (struct objfile *objfile, legacy_psymtab *pst) struct xcoff_symbol fcn_stab_saved = { 0 }; /* fcn_cs_saved is global because process_xcoff_symbol needs it. */ - union internal_auxent fcn_aux_saved = main_aux; + union internal_auxent fcn_aux_saved {}; struct context_stack *newobj; const char *filestring = pst->filename; /* Name of the current file. */ -- 2.34.1