From owner-svn-src-all@FreeBSD.ORG  Fri Dec 28 22:06:50 2012
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id DC6B6AF3;
 Fri, 28 Dec 2012 22:06:50 +0000 (UTC) (envelope-from pfg@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 by mx1.freebsd.org (Postfix) with ESMTP id C06688FC14;
 Fri, 28 Dec 2012 22:06:50 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
 by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id qBSM6o3v013020;
 Fri, 28 Dec 2012 22:06:50 GMT (envelope-from pfg@svn.freebsd.org)
Received: (from pfg@localhost)
 by svn.freebsd.org (8.14.5/8.14.5/Submit) id qBSM6ofg013019;
 Fri, 28 Dec 2012 22:06:50 GMT (envelope-from pfg@svn.freebsd.org)
Message-Id: <201212282206.qBSM6ofg013019@svn.freebsd.org>
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Fri, 28 Dec 2012 22:06:50 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r244792 - head/contrib/gcc
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 28 Dec 2012 22:06:50 -0000

Author: pfg
Date: Fri Dec 28 22:06:50 2012
New Revision: 244792
URL: http://svnweb.freebsd.org/changeset/base/244792

Log:
  gcc: avoid generating negative values to DW_AT_byte_size.
  
  The previous change was actually a NOP because size is
  unsigned and compilers are dumb.
  
  Submitted by:	Christoph Mallon
  MFC after:	1 week

Modified:
  head/contrib/gcc/dwarf2out.c

Modified: head/contrib/gcc/dwarf2out.c
==============================================================================
--- head/contrib/gcc/dwarf2out.c	Fri Dec 28 22:06:33 2012	(r244791)
+++ head/contrib/gcc/dwarf2out.c	Fri Dec 28 22:06:50 2012	(r244792)
@@ -10814,7 +10814,7 @@ add_byte_size_attribute (dw_die_ref die,
      indicates that the byte size of the entity in question is variable.  We
      have no good way of expressing this fact in Dwarf at the present time.
      GCC/35998: Avoid passing negative sizes to Dtrace and gdb.  */
-  add_AT_unsigned (die, DW_AT_byte_size, (size > 0 ? size : 0));
+  add_AT_unsigned (die, DW_AT_byte_size, (size != (unsigned)-1 ? size : 0));
 }
 
 /* For a FIELD_DECL node which represents a bit-field, output an attribute