From patchwork Thu Sep 22 08:25:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tsukasa OI X-Patchwork-Id: 57886 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id A25413851AAC for ; Thu, 22 Sep 2022 08:27:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A25413851AAC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1663835277; bh=sSVeey+uK0xnd3PD+rg1jZ8jg1wdKLsBKxBJ9um9syQ=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=qZSz0y7khfND4AczVgOGXLI7rzAPb2B1mxEonAr97C/E6F98pQWVOnSfXuvw64mE6 9pbTKVoZmzFBFFZy3LAGJWtziaaMazBRTcZkvev4Nsgi4xTQ6EuH2b51He6OIkDcwM 9oC9pqYNSH+UIn+tQFmdcQ1W34UfPvO4dJpTWRgo= X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from mail-sender-0.a4lg.com (mail-sender.a4lg.com [153.120.152.154]) by sourceware.org (Postfix) with ESMTPS id BCEA6385828E; Thu, 22 Sep 2022 08:26:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BCEA6385828E Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id EE51F300089; Thu, 22 Sep 2022 08:26:31 +0000 (UTC) To: Tsukasa OI , Pedro Alves , Joel Brobecker , Enze Li Subject: [PATCH v2 4/4] gdb: Suppress "unused" variable warning on Clang Date: Thu, 22 Sep 2022 08:25:47 +0000 Message-Id: <189b22f1db46c1ffbb248aeca8b5753da4070f2c.1663835104.git.research_trasio@irq.a4lg.com> In-Reply-To: References: Mime-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP 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-Patchwork-Original-From: Tsukasa OI via Gdb-patches From: Tsukasa OI Reply-To: Tsukasa OI Cc: binutils@sourceware.org, gdb-patches@sourceware.org Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" Clang generates a warning if there is a variable which is written but not read thereafter. By the default configuration (with "-Werror"), it causes a build failure (unless "--disable-werror" is specified). Because the cause of this error is in the Bison-generated code ($(srcdir)/gdb/cp-name-parser.y -> $(builddir)/gdb/cp-name-parser.c), this commit suppresses this warning ("-Wunused-but-set-variable") by placing the DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE macro at the end of user prologue of cp-name-parser.y. gdb/ChangeLog: * cp-name-parser.y: Suppress -Wunused-but-set-variable warning on the Bison-generated code. --- gdb/cp-name-parser.y | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gdb/cp-name-parser.y b/gdb/cp-name-parser.y index 34c691ddabb..21ba51679d3 100644 --- a/gdb/cp-name-parser.y +++ b/gdb/cp-name-parser.y @@ -248,6 +248,10 @@ cpname_state::make_name (const char *name, int len) static int yylex (YYSTYPE *, cpname_state *); static void yyerror (cpname_state *, const char *); + +#include "diagnostics.h" +DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE + %} %type exp exp1 type start start_opt oper colon_name