From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-7560-listarch-gdb=sourceware.cygnus.com@sources.redhat.com>
Received: (qmail 26406 invoked by alias); 31 Jan 2002 18:10:07 -0000
Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm
Precedence: bulk
List-Subscribe: <mailto:gdb-subscribe@sources.redhat.com>
List-Archive: <http://sources.redhat.com/ml/gdb/>
List-Post: <mailto:gdb@sources.redhat.com>
List-Help: <mailto:gdb-help@sources.redhat.com>, <http://sources.redhat.com/ml/#faqs>
Sender: gdb-owner@sources.redhat.com
Received: (qmail 26349 invoked from network); 31 Jan 2002 18:10:05 -0000
Received: from unknown (HELO localhost.cygnus.com) (216.138.202.10)
  by sources.redhat.com with SMTP; 31 Jan 2002 18:10:05 -0000
Received: from cygnus.com (localhost [127.0.0.1])
	by localhost.cygnus.com (Postfix) with ESMTP
	id 41FCD3DDC; Thu, 31 Jan 2002 13:09:59 -0500 (EST)
Message-ID: <3C598876.9060506@cygnus.com>
Date: Thu, 31 Jan 2002 10:10:00 -0000
From: Andrew Cagney <ac131313@cygnus.com>
User-Agent: Mozilla/5.0 (X11; U; NetBSD macppc; en-US; rv:0.9.7) Gecko/20020103
X-Accept-Language: en-us
MIME-Version: 1.0
To: Daniel Jacobowitz <drow@mvista.com>
Cc: gdb@sources.redhat.com, gcc-bugs@gcc.gnu.org
Subject: Re: More libiberty/demangler fallout - gdb (was: Re: Er, ...)
References: <3C59819D.9020500@cygnus.com> <20020131125948.A12285@nevyn.them.org>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-SW-Source: 2002-01/txt/msg00363.txt.bz2

> On Thu, Jan 31, 2002 at 12:40:45PM -0500, Andrew Cagney wrote:
> 
>> Er, the number of failures on NetBSD/PPC just jumped from ~147 to ~650. 
>> This segment of bitfields.c illustrates the problem.  I don't think it 
>> is my cleanups here :-/
>> 
>> ac131313@nettle$ gcc --version
>> egcs-1.1.2
>> 
>> Generates stabs in elf.
> 
> 
> (You scared me!  bitfields.c has nothing to do with the problem :)


Sorry.  I've been backing out obvious candidates - bitfields.c, symtab.c 
(:-) and the problem hasn't gone away.


> The problem is:
> 
> 
>> (gdb) print/x flags
>> $11 = {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 
>> 0x7, s9 = 0x0, u
>> 9 = 0x1ff, sc = 0x0}
>> (gdb) PASS: gdb.base/bitfields.exp: bitfield containment #1
>> 
>> 
>> (gdb) print/x flags
>> $11 = {uc = 0xff, short = 0x0, u1 = 0x1, short = 0x0, u2 = 0x3, short = 
>> 0x0, u3
>> = 0x7, short = 0x0, u9 = 0x1ff, short = 0x0}
>> (gdb) FAIL: gdb.base/bitfields.exp: bitfield containment #1
> 
> 
> All the 's1's have been replaced by 'short'.  This is because of the
> current argument on one of the gcc lists about how the demangler should
> treat symbols that may be mangled but without the leading mangling
> prefix for v3 mangling.
> 
> GCC folks, can we please get this fixed?


Ah, thanks.  I think I'll read up on GCC's revert rules.

Andrew