From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id E9AEF3857717; Fri, 26 May 2023 07:28:05 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E9AEF3857717
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1685086085;
	bh=t68idFKuTfENSFccPKm+0uyMjRJIC2eqlJlU5i+FRbg=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=wfsC8wBQxVyhhrjQd7GacGTS2FDEjRb2nLyib3N3Y2TdHgy5Fpk7ZqIMlahSRDhyh
	 9aMkPjKl9JYn8ZeiTEzWKWlHcTD8M7XKxX/RNVvfxiP+NZyt7/7v6qnq6iR5sQ09RD
	 MqdsHGKU+4qbz/MGHUn/NWPuwl5wDlXTcIy1rDRY=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/109979] -Wformat-overflow false positive for %d and non-basic
 expression
Date: Fri, 26 May 2023 07:28:05 +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: 12.2.0
X-Bugzilla-Keywords: diagnostic
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia 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: <bug-109979-4-1eyb3kL9WH@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109979-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109979-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109979

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note there is no warning if you use  -fwrapv which is what I expected as the
range of e-1 becomes the whole range because overflow becomes defined as
wrapping ....=