Re: [bug #4189] broken bycopy in DO

[Richard Frith-Macdonald]

On Friday, July 4, 2003, at 01:42  pm, Alexander Malmberg wrote:

> Richard Frith-Macdonald wrote:
> [snip]
> > I have a machine with gcc-3.0 ... I'll have a look at it on that to 
> > try
> > to
> > figure out what's going on.
>
> In 3.0.4, gcc/libobjc/Protocol.m, line 109, class_methods may be NULL.
> Can be worked around with a Protocol category with a fixed
> implementation

I already put that in NSObject.m this morning.

> (although later gcc versions seem to have fixed it by
> guaranteeing that class_methods will never be NULL).

I don't think so ... I'm using gcc-3.4 and I'm fairly sure that still 
happens.

> However, there also seem to be serious problems in the handling of
> @protocol(), and I'm not sure that can be worked around. Nicola fixed
> those problems in gcc, so he can probably tell you more.

Now that might be a real issue ... I have no idea what problems might be
with it and how to produce them though.  I'll ask Nicola.