From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15523 invoked by alias); 26 Oct 2012 10:53:44 -0000 Received: (qmail 15412 invoked by uid 48); 26 Oct 2012 10:53:30 -0000 From: "rsandifo at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/54402] [4.8 Regression] var-tracking does not scale Date: Fri, 26 Oct 2012 10:53:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rsandifo at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: CC Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-10/txt/msg02430.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54402 rsandifo@gcc.gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rsandifo at gcc dot gnu.org --- Comment #4 from rsandifo at gcc dot gnu.org 2012-10-26 10:53:29 UTC --- As Uros says in bug 54507, the reflect test from libgo is another example. Without var tracking it takes 20s on my x86_64 box (tested with a 32-bit compiler). With var tracking it takes 46m 40s.