[llvm] r191225 - Handle gnu pubtypes sections:

[Eric Christopher]

> I take it we should be seeing that type (which type is it? 'C' I guess?) in
> the pubnames section too? (we had no types being checked for, nor emitted,
> in the test as originally committed - I assume that's a bug? but I had seen
> types emitted in some cases I'd been experimenting with)
>

Oddly enough, apparently not. We should be emitting qualified names as
I mentioned the other day, that's the only place that C is appearing
in the gnu pubnames section as emitted by gcc.

And yeah, that we weren't emitting, well anything, into the right
section was the bug :)

> I'll look into adding dumping support for pubtypes.
>

Sweet.

-eric