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To: Daniel Jacobowitz <drow@mvista.com>
Cc: gdb@sources.redhat.com
Subject: Re: Macro code crasher on re-run
References: <20031103040751.GA30979@nevyn.them.org>
	<vt2ism2xdkq.fsf@zenia.home> <20031103045601.GA32557@nevyn.them.org>
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	<vt2ptg9t3jl.fsf@zenia.home> <20031107162932.GA29908@nevyn.them.org>
From: Jim Blandy <jimb@redhat.com>
Date: Mon, 10 Nov 2003 23:38:00 -0000
In-Reply-To: <20031107162932.GA29908@nevyn.them.org>
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Daniel Jacobowitz <drow@mvista.com> writes:

> On Mon, Nov 03, 2003 at 06:50:38PM -0500, Jim Blandy wrote:
> > 
> > Daniel Jacobowitz <drow@mvista.com> writes:
> > > I was using the 6.0 branch when I found the problem, so that's not it. 
> > > It may be a related problem in a caller of free_objfile, though.  Or
> > > reread_objfile?
> > 
> > You mean reread_symbols?  It wouldn't be that, because that calls
> > clear_symtab_users itself.  It's certainly a caller of free_objfile.
> > 
> > I think this is just going to take some debugging.  Can you tell me
> > how to reproduce it?
> 
> Develop a habit for recompiling programs while you're debugging them,
> and use dwarf2 information.  I didn't even have -g3 macro debug
> information at all.  Eventually you'll crash, either in the macro or
> frame code.

I did see some crashes last week, doing what you suggest, but I was in
a crunch and didn't have time to investigate.  I'll see if I can do so
now.