From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 330DF3858D38; Mon, 25 Mar 2024 16:12:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 330DF3858D38 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711383159; bh=DY7L1dQ/Jjro0CwFiQvFYPPSsAMdhnA4U2H3mKpJ5Qc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mouqUjZN9jylvkcZ5Uk0pX5G4tvR2MSTU/1UleA9HLs1nGjGRN8HE4W1pZpYmiLWo 15tE8HrqQpNNzvYunzZhtAQlkjLIguxe+UPCEjf9gLjjKC3ql0+jpBuStMw5XCMUUN B7rXs7HtvyYaAAd5CUSyxSpq9yF3rA+v25a88OdA= From: "dmalcolm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/113314] [14 Regression] -Wanalyzer-infinite-loop false positive seen on haproxy's fd.c Date: Mon, 25 Mar 2024 16:12:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dmalcolm at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: dmalcolm at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 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=3D113314 --- Comment #2 from David Malcolm --- (In reply to David Malcolm from comment #1) [...] > 70 redo_next: > 71 next =3D fdtab[fd].update.next; > 72 if (next > -2) > 73 goto done; > 74 if (next =3D=3D -2) > 75 goto redo_next; >=20 > does look like an infinite loop when next =3D=3D 2. Presumably I meant -2 here.=