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 35BD23857C7C; Fri, 10 Jul 2020 03:59:32 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 35BD23857C7C
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1594353572;
 bh=/CirE5xvuZ7ukCkNIj1Co1YMmNRDnEyzd+YpPm0nI38=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=MM3zLjLwQacwEvyWoHsjpFiH83OMG4QPwSUew4LttLewkV03YGffKLt4NteC8MGBp
 oCGEDxO/KB9dpJ3ksfAsiKYmc9CdxI4lFS+gWjKV56BOe9J3VZZ5/8XcdZ54nEYRr7
 egAENu77ZnNPL0nI836Ake4CCur3wl03YChF5NZs=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/95638] [10 Regression] Legit-looking code
 doesn't work with -O2
Date: Fri, 10 Jul 2020 03:59:31 +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: 10.1.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: amker at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 10.2
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-95638-4-5nJdVUdP2g@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-95638-4@http.gcc.gnu.org/bugzilla/>
References: <bug-95638-4@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: Fri, 10 Jul 2020 03:59:32 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95638

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Bin Cheng <amker@gcc.gnu.org=
>:

https://gcc.gnu.org/g:f737ca45bee4ea61571393e04495955aeb7d67ab

commit r10-8453-gf737ca45bee4ea61571393e04495955aeb7d67ab
Author: Bin Cheng <bin.cheng@linux.alibaba.com>
Date:   Sat Jun 20 15:42:12 2020 +0800

    Record and restore postorder information in breaking alias sccs.

    gcc/
            PR tree-optimization/95638
            * tree-loop-distribution.c (pg_edge_callback_data): New field.
            (loop_distribution::break_alias_scc_partitions): Record and res=
tore
            postorder information.  Fix memory leak.

    gcc/testsuite/
            PR tree-optimization/95638
            * g++.dg/tree-ssa/pr95638.C: New test.

    (cherry picked from commit 2c0069fafb53ccb7a45a6815025dfcbd2882a36e)=