From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id A9A67385781E; Wed, 10 Nov 2021 04:48:55 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A9A67385781E
From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/101917] [11 Regression] Spurious -Wstringop-overread
 with -flto when passing zero sized arrays
Date: Wed, 10 Nov 2021 04:48:55 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 11.2.0
X-Bugzilla-Keywords: diagnostic, lto
X-Bugzilla-Severity: normal
X-Bugzilla-Who: msebor 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: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_status component short_desc everconfirmed
 cf_known_to_fail blocked cf_reconfirmed_on see_also
Message-ID: <bug-101917-4-dgOJ9mCBr2@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-101917-4@http.gcc.gnu.org/bugzilla/>
References: <bug-101917-4@http.gcc.gnu.org/bugzilla/>
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 <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 10 Nov 2021 04:48:55 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101917

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|fortran                     |middle-end
            Summary|Spurious                    |[11 Regression] Spurious
                   |-Wstringop-overread with    |-Wstringop-overread with
                   |-flto when passing zero     |-flto when passing zero
                   |sized arrays                |sized arrays
     Ever confirmed|0                           |1
      Known to fail|                            |11.2.0
             Blocks|                            |97048
   Last reconfirmed|                            |2021-11-10
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=3D103145

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Confirmed with GCC 11, but fixed in GCC 12.  Most likely a duplicate of
pr103145.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97048
[Bug 97048] [meta-bug] bogus/missing -Wstringop-overread warnings=