[LLVM 4.0] rustllvm archive support
[LLVM 4.0] rustllvm archive support

Error handling is being transitioned from ErrorOr<T> to Expected<T> which has a different API and requires explicitly handling all errors

GBGamer/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust