[llvm] r205675 - AsmParser: restore LLVM IR compatibility for linker_private{, _weak}

[Rafael Espíndola]

> AsmParser: restore LLVM IR compatibility for linker_private{,_weak}
>
> This restores the linker_private and linker_private_weak lexemes to permit
> translation of the deprecated lexmes.  The behaviour is identical to the bitcode
> handling: linker_private and linker_private_weak are handled as if private had
> been specified.  This enables compatibility with IR generated by LLVM 3.4.

Do we support this in general? I was under the impression that the
only supported upgrade path was the bitcode.

Cheers,
Rafael