From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by sourceware.org (Postfix) with ESMTPS id 0C578385828E for ; Fri, 17 Feb 2023 21:23:53 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0C578385828E Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-x331.google.com with SMTP id e4-20020a05600c4e4400b003dc4050c94aso1843859wmq.4 for ; Fri, 17 Feb 2023 13:23:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HjVBDAJsxkxAHAD07vDRhyRTYCT27UeOlT3/YO8/8e8=; b=phXkLRzYemwU2JkYBG6LXyJ8GqTEUtJPmgmexzIk9Gn5FPyW41ScpuvOdglkxLwxAG pl6ZRD+uHoSry2vubJpMfFZkvTNMECHS1U1bMlKNVK1hRlhdAv2EYqt+BpaCtNLFoMx2 0jeWaPtAYSBns/dLK0JHKjugUlS+Nfgg+XWXCD2tLB47YFpvQglgzFdhchlWMhMq7+Ca XzRdntYgW/UmfpdUc9XY/gIwZNdQEBLAUwayeUlytxXUErv1ChUM7SimBfGYsp4WmfJH hqgfe6jaPmEtewScZWt3/iKYbqutnnj2KmOpqOC+WjYsj4iwSsUk1C1uXrsJ+vrAcNuG jUfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HjVBDAJsxkxAHAD07vDRhyRTYCT27UeOlT3/YO8/8e8=; b=GbNHUPZh+paG8DV7V+ZmI7WLPxQD67rcF4Zowe8wwJA70QTcmrVPdSdnr8RHf0hfjL Yfc3GRFp2ZKO7G1p8p1FnRwo5+bQvVXtmkhpgD42boEQWK+HotDOi3qJDhfsS5kd3Y9J dC/EV4GHvTKXxPl0I3qM1W86aCyg+2b5jcicfe2Hn8dfVpA+pkR9VL2k2rPdP1OCPU4q gh2ZePntS4mYk+0LG7u5bcwbullNpa1mKaNc41WbmJtRz1GP1e7Mv7PBDU9mYFqMhHlK GR2o7hQYmY7swKEbuyKYZcSWVxQkJDUgK7sYloJJsyVVjw9SIB4W/EisYXYnFKL0dFFz BTyQ== X-Gm-Message-State: AO0yUKXGX3c16iR7lcB7GAXnozpTH14NjgccJypRSV9G/UJecC/87aAz ub2fiDe3dzKgNTFbjdrFaG3+RPIsWas= X-Google-Smtp-Source: AK7set9mTX+xRecYhWSw0kEzLr8c8onDqB9kzLiXcSa7aUaW1YSfTSOYri9jLShgtiIKiCS01BMglQ== X-Received: by 2002:a05:600c:30ca:b0:3d5:365b:773e with SMTP id h10-20020a05600c30ca00b003d5365b773emr2224504wmn.39.1676669031401; Fri, 17 Feb 2023 13:23:51 -0800 (PST) Received: from asus5775.alejandro-colomar.es ([170.253.36.171]) by smtp.googlemail.com with ESMTPSA id j26-20020a05600c1c1a00b003df245cd853sm6951035wms.44.2023.02.17.13.23.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Feb 2023 13:23:50 -0800 (PST) From: Alejandro Colomar X-Google-Original-From: Alejandro Colomar To: gcc@gcc.gnu.org Cc: Alejandro Colomar , Andreas Schwab , David Malcolm , Florian Weimer , Iker Pedrosa , Jens Gustedt , Jonathan Wakely , Mark Wielaard , Martin Uecker , Michael Kerrisk , Paul Eggert , Sam James , Siddhesh Poyarekar , Yann Droneaud Subject: [PATCH] Make -Wuse-after-free=3 the default one in -Wall Date: Fri, 17 Feb 2023 22:20:45 +0100 Message-Id: <20230217212044.5178-1-alx@kernel.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-10.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,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 List-Id: Link: Link: Cc: Andreas Schwab Cc: David Malcolm Cc: Florian Weimer Cc: Iker Pedrosa Cc: Jens Gustedt Cc: Jonathan Wakely Cc: Mark Wielaard Cc: Martin Uecker Cc: Michael Kerrisk Cc: Paul Eggert Cc: Sam James Cc: Siddhesh Poyarekar Cc: Yann Droneaud Signed-off-by: Alejandro Colomar --- Hi Siddhesh, Here's a patch for it. It is untested yet. Please have a look at it. I'm not used to GCC customs, so corrections are welcome :) Cheers, Alex gcc/c-family/c.opt | 4 ++-- gcc/doc/invoke.texi | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index c0fea56a8f5..1a3fc2c5d74 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -1411,11 +1411,11 @@ C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_unused_const_variable) Warn when a const variable is unused. ; Defining this option here in addition to common.opt is necessary -; in order for the default -Wall setting of -Wuse-after-free=2 to take +; in order for the default -Wall setting of -Wuse-after-free=3 to take ; effect. Wuse-after-free= -LangEnabledBy(C ObjC C++ LTO ObjC++, Wall,2,0) +LangEnabledBy(C ObjC C++ LTO ObjC++, Wall,3,0) ; in common.opt Wvariadic-macros diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 7b308cd3c31..d910052ce0c 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4720,7 +4720,7 @@ instead of pointers. This approach obviates needing to adjust the stored pointers after reallocation. @end table -@option{-Wuse-after-free=2} is included in @option{-Wall}. +@option{-Wuse-after-free=3} is included in @option{-Wall}. @item -Wuseless-cast @r{(C++ and Objective-C++ only)} @opindex Wuseless-cast -- 2.39.1