From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29030 invoked by alias); 30 Jan 2015 20:19:50 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 28915 invoked by uid 48); 30 Jan 2015 20:19:45 -0000 From: "spop at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/64878] [5 Regression] Miscompilation of nntpgrab Date: Fri, 30 Jan 2015 20:19:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: spop at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: spop at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg03567.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64878 --- Comment #2 from Sebastian Pop --- Jump threading is called twice as two separate passes, the "miscompiled" jump thread during the first invocation is: Registering FSM jump thread: (10, 114) incoming edge; (4, 93) nocopy; The "miscompiled" jump thread for the second invocation of dom is: Registering FSM jump thread: (102, 6) incoming edge; (5, 128) nocopy;