From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-410408-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 345 invoked by alias); 20 Dec 2012 16:55:09 -0000
Received: (qmail 32676 invoked by uid 48); 20 Dec 2012 16:54:54 -0000
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/55749] gcc 4.7.1 removes labels mistakenly
Date: Thu, 20 Dec 2012 16:55:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields:
Message-ID: <bug-55749-4-4oZjf8qMrd@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-55749-4@http.gcc.gnu.org/bugzilla/>
References: <bug-55749-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2012-12/txt/msg02016.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55749

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-20 16:54:53 UTC ---
"To use these values, you need to be able to jump to one. This is done with the
computed goto statement1, goto *exp;."

> Not sure how to implement this properly.

Use either setjmp/longjmp or getcontext/setcontext/makecontext instead.