[Bug debug/11114] GCC doesn't generate DW_TAG_namespace entries

[dberlin@dberlin.org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11114



------- Additional Comments From dberlin@dberlin.org  2003-06-06 20:12 -------
Subject: Re:  GCC doesn't generate DW_TAG_namespace entries


> I suspect that there's a problem even with the patch that Andrew 
> referenced.
> I don't know for sure, but I'm using a variant of that patch with GCC 
> 3.2.3,
> and I know that there's a problem with the variant that I'm using.

Try it on the mainline with the patch, see if it still occurs.
There are significant changes in the way C++ works since 3.2.3.

> In some
> contexts, if you have a templated class Temp and you instantiate it
> like
>
>   Temp<NS::C>
>
> where C is a class living in a namespace NS, then, if the DIE for NS 
> hasn't
> been emitted yet, then that die gets created as a child of the DIE for
> Temp<NS::C> instead of as a chield of the comp unit DIE.
>
I forget where namespaces can occur in C++, but you can make it set the 
child to be the closest context that is a valid place for a namespace 
to go.

> I'm playing around with trying to fix that (though I'm not an expert on
> dwarf2out.c (or any of GCC!), so I could use some help);

I would help in general, but I don't even *have* 3.2.3 around anymore.
> if I do manage
> to fix it, I'll attach a revised patch here.  (Maybe even a test case 
> if
> I get ambitious, though unfortunately the situation where I ran into 
> this
> problem involved a huge proprietary source file.)