From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EC4A23857805; Wed, 22 Jun 2022 20:24:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EC4A23857805 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/105749] Bogus maybe-unitialized when using std::optional, regex and sstream Date: Wed, 22 Jun 2022 20:24:37 +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: 13.0 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: cf_known_to_fail 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jun 2022 20:24:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105749 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |10.3.0 --- Comment #3 from Andrew Pinski --- Note in GCC 10.3.0 we got: : In function 'void t(const string&)': :13:51: warning: 'port' may be used uninitialized in this function [-Wmaybe-uninitialized] 13 | reqb << "Host: " << port.value_or(443) << "\r\n"; | ^~~~~~=