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 92F763851C05; Mon, 25 May 2020 21:28:26 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 92F763851C05
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1590442106;
 bh=v6KSjuAUia96LArFwjG99Nidr/ki7vtt/WeiMcquOXI=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=xims0DX8CyGEW6ocC3wnjtR6RdqAeCJkWcT5oK8TtBQhiD4GrEcOOEdbmniAEFMhy
 lGFL0ur+D71AidA6SEFH6xXA4erTlJ85Q7rQofN2483o5AMnApezG5Y2VAYcNO+4KN
 20aoEUlZ9827WE4oEDFlXmKS2dxnnDDun5BOpOE8=
From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/95323] ice in compute_live_loop_exits, at
 tree-ssa-loop-manip.c:247
Date: Mon, 25 May 2020 21:28:26 +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: unknown
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: anlauf 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: cc component bug_status
Message-ID: <bug-95323-4-ndzv4ht5mU@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-95323-4@http.gcc.gnu.org/bugzilla/>
References: <bug-95323-4@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: <http://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: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Mon, 25 May 2020 21:28:26 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95323

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org
          Component|fortran                     |tree-optimization
             Status|WAITING                     |NEW

--- Comment #4 from anlauf at gcc dot gnu.org ---
(In reply to David Binderman from comment #3)
> (In reply to anlauf from comment #1)
> > local.f90:3: Error: Can't open included file 'SIZES'
> >=20
> > Please include everything needed to reproduce.
>=20
> Done.
>=20
> > Are you sure this is a fortran bug, rather than tree-optimization?
>=20
> Not using -O2 makes the code compile, so something in the optimiser
> is going wrong, triggered by Fortran source code.

OK, using -O0, -Og, or -Os makes the code compile, -O1, -O2 or higher ICEs.

This looks fishy.

I'd prefer someone with better middle-end knowledge to look at it.=