Re: [rfa] lookup_transparent_type hack

[Daniel Jacobowitz <drow at mvista dot com>]

On Thu, Jan 22, 2004 at 02:00:08PM -0800, David Carlton wrote:
> On Sun, 18 Jan 2004 23:25:35 -0500, Daniel Jacobowitz <drow@mvista.com> said:
> 
> > This is OK.  I'd also like to see results with 2.95, though I expect
> > no difficulties.
> 
> No problems with 2.95.  Unfortunately, there are issues with mainline
> GCC.  (As of last Thursday's GCC, at least.)  The new test in rtti.exp
> (print *obj) fails there, and in fact the earlier test in rtti.exp
> (print *e2), which I would expect to pass, is KFAILing.
> 
> These failures aren't caused by my patch to GDB - they happen with or
> without the patch - but I want to look into the reason for the
> behavior first before committing the patch.  There are also some
> (non-regression) FAILs in namespace.exp that are probably related to
> this.  (I have a patch waiting for approval that takes care of most of
> the FAILs in namespace.exp, but not all of them.)

OK.

> Am I correct in remembering that GCC has recently changed its rules
> for when it emits debug info for classes?  Something about only
> emitting them in the same place where it emits the vtable (which it
> does following the CFront rule)?  If so, that might be relevant.  Or
> am I thinking of something else?

Well, I recently had an argument about it, but the behavior is not new
- it's done that for years.  The only 'recent' change is not to emit
debug info for unused types.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer