From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AF2263858D35; Thu, 22 Jun 2023 17:35:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF2263858D35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1687455353; bh=kf5SfP3Q6GzUugAXeOUY8CaumnCHUu4/pdW03lQF4WY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=m3kgs9fenMVVSNL15/TTYs1UwwWhxlysWEwxjmdE0H4pPJ9I3ubKblF257X7qGMH+ keeoVTym94OxY/WFHeC1tPg+GeQcMMby0zphgRxgBzzbstshivUzlMtfhLp4Ude/jv r2wvEyTNGjP3H0cGlc7kkh/OHjVG4gBMS08AYtsc= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/110368] Incorrect "is used uninitialized" warning message Date: Thu, 22 Jun 2023 17:35:53 +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: 13.1.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: INVALID 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110368 --- Comment #4 from Andrew Pinski --- The code can fixed using memcpy Replace: c +=3D *data_16++ With: unsigned tmp; memcpy(&tmp, data_16, sizeof(tmp)); data_16++; c +=3D tmp;=