From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 071F03858C2D; Tue, 11 Oct 2022 13:13:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 071F03858C2D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1665494015; bh=kA4HlnkrHRVl2FS8UqnOte+kVouEXT4C9KJQ5nMYTuc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tJvERWvxi4HqsuNQL9aP4FhnkdxasJIbeBS4LMKUc6+qcB7HefucN6Mz7ODzn35/9 YzzaxCOnYm6jIZZNvyraUsLeAeo0r4ur6s0NEiw1BVL9vFHNSYQQtao4gmN+xuJkQ6 NT6V2gHzX4BPhY/29JJtAwWz9vMEPJMSt42d2mw8= From: "jan.zizka at nokia dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106922] [12 Regression] Bogus uninitialized warning on boost::optional<>>, missed FRE Date: Tue, 11 Oct 2022 13:13:34 +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: 12.2.1 X-Bugzilla-Keywords: diagnostic, missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: jan.zizka at nokia dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 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=3D106922 --- Comment #25 from Jan =C5=BDi=C5=BEka --- I have backported all three patches but true that I didn't try to test with= out VN enhancement. Would it help if I'd try that with our production code and = the reproducers? Or anything else I could try so that you'd know if the VM enhancement should be backported also?=