Minor polishing of VTableBuilder

[Timur Iskhodzhanov]

Ping?

2013/4/26 Timur Iskhodzhanov <timurrrr at google.com>:
> Hi Peter, Anders,
>
> I was reading the source of Clang VTableBuilder sources to get
> familiar with the code before writing a vftable generator for
> Microsoft ABI.
>
> I've decided to improve a couple of comments.
> After improving one of the comments, fixing one of the FIXMEs in the
> code became obvious, so I went ahead and just did it.
> Please see the attached patch!
>
> I also have a couple of questions, see the TODOs in the patch.
> The most important is VTableBuilder::ComputeThisAdjustmentBaseOffset
> where it's a bit unclear what's going on. It would be nice if we could
> come up with a code which is easier to understand or at least a good
> comment there.
>
> Thanks!
> --
> Timur Iskhodzhanov,
> Google Russia