From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1103 invoked by alias); 20 Feb 2014 20:13:12 -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 1053 invoked by uid 48); 20 Feb 2014 20:13:09 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/60291] slow compile times for any mode (-O0/-O1/-O2) on large .c source file (30MBs) Date: Thu, 20 Feb 2014 20:13:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.8.2 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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: 2014-02/txt/msg02159.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60291 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #8 from Jakub Jelinek --- Won't that break with function-local statics? Those can certainly refer to other function-local static, with this patch gcc might think the other ones are unused. I mean something like: int ** foo (void) { static int a = 0; static int *b = &a; static int **c = &b; return c; }