[LLVMdev] The system library is gone for a long time.

[Rafael Espíndola]

> AFAIK, libSupport does more than what this document describes (for example,
> it contains ADT, which are portable and not system-specific, contrary to the
> second paragraph of the document). Does it make sense to just globally
> replace "Support" for "System"? I wasn't around when the transition was
> made, so I don't know. Please get a confirmation from someone who can speak
> authoritatively about the transition from libSystem to libSupport. Other
> than that, LGTM.

System got merged into Support a long time ago. We could improve the
documentation of what lib/Support is, but this is a good start IMHO.

Cheers,
Rafael