From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 68D3A385841B; Sat, 5 Nov 2022 10:29:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 68D3A385841B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1667644194; bh=0MpbfG505l4ARwqWPRyEWjY/VnOcMtx+JjzdQhSWfGo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Rbs5UGOGs2qwRUeelMuIgnhCX9xvkOplMWiBVhSUYtphYtnHZduJPgn30KQk9PfoO mjmON3lYtjZQllcC/E3A7fr2WWvZtqXLH7oUicN5Xi6FXDQ/G464sFlSS5UeOdceVX l+Rg2xZ1YbKJoEKCn937McODxK93StyWaGEQMH4w= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107467] [12/13 Regression] Miscompilation involing -Os , -flto and -fno-strict-aliasing Date: Sat, 05 Nov 2022 10:29:51 +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: 12.2.0 X-Bugzilla-Keywords: lto, needs-bisection, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 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=3D107467 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu.org --- Comment #4 from Richard Biener --- doesn't reproduce with -fwhole-program instead of -flto or with -flto-partition=3Dmax added. -fno-ipa-modref avoids the issue.=