[llvm] r230567 - Object: Handle Mach-O kext bundle files

[Rafael Espíndola]

> Sure, but I don't really see how to do this without checking in a binary
> file, which I'd prefer to avoid. I guess this is what yaml2obj is for,
> but that doesn't seem to support Mach-O. Any advice on how to proceed?

Just check in a binary and document what it is.

I honestly prefer binaries. That allows you to check in one produced
by whatever tools OS X uses to create them. Otherwise we can just be
testing that yaml2obj and llvm-readobj have corresponding bugs (which
is a major issue with unit tests).

Cheers,
Rafael