From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D4395385E029; Thu, 26 Mar 2020 07:03:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4395385E029 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1585206220; bh=ayPzuU4vp69nY8mIW6iP7Xrc4qyXKLG1DLVD211qm5o=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Mkl/kWbBpBJaGsVbP15xOM6m/AYK5fkV4OfdxGB95gdR1UA7jImVK6iB4xkKNTXM7 tft7QwIiRsRitHKY26537zQAAfLwE17/0V7ylJsLmpIY/OH09g6m/b0QdLLTR6hEeJ 9rsmfsD38iOa6Yi+m/3TkxepFwhX/gOpr6RTciO8= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/94337] Incorrect "dereferencing type-punned pointer will break strict-aliasing rules" warning Date: Thu, 26 Mar 2020 07:03:40 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Mar 2020 07:03:40 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94337 --- Comment #1 from Richard Biener --- The warning only looks at the single expression it quotes which isn't really enough to discover you are doing right. It tries to be helpful - if you kn= ow better then disable the warning.=