From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5C28B3858C29; Tue, 9 Jan 2024 06:14:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5C28B3858C29 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704780898; bh=JmiCq+A1cDxWu7Kr1C891yhkBMDst0v/IiCjaqHV5UM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=plXHD9ZzXVZjEz0o1dCZiQfmzwQR5lGKPuNP3AnAAz8++GJTk9CDMSwu1KV/3R/mt sehAZtEmR69ZJx8CCDTzvC62cY8eLcpL++8tYf8Cafxj8pXxQXbYKKAQBVUq3SRdHK xqafv7m7tHj+JMorw7sdSdtPxGStaGLw7Rz59qQE= From: "xry111 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113271] [Regression] Wrong code at -O1/2/3 since GCC-9 (could be due to wrong optimization) Date: Tue, 09 Jan 2024 06:14:58 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: xry111 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: cc 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=3D113271 Xi Ruoyao changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xry111 at gcc dot gnu.org --- Comment #2 from Xi Ruoyao --- -fsanitize=3Dundefined is even explicitly mentioned in the bug report guide= line at https://gcc.gnu.org/bugs/. And the red banner in the new bug page also mentions -fwrapv.=