[LLVMdev] Changing the design of GlobalAliases to represent what is actually possible in object files.

[Rafael Espíndola]

> This direction looks great to me.  Thank you, Rafael!
>
> Not a full review, but typo:
>
> +Since aliasess are only

Fixed. I will send the patches to llvm-conmmit once the dependencies are in.

Cheers,
Rafael