[llvm] r239921 - Allow aliases to be unnamed.

[Rafael Espíndola]

On 18 June 2015 at 01:13, Sean Silva <chisophugis at gmail.com> wrote:
> Does this need a LangRef update?

I don't see the old restriction anywhere in the LangRef. All that I
could find was

#. Unnamed values are represented as an unsigned numeric value with
   their prefix. For example, ``%12``, ``@2``, ``%44``.

Cheers,
Rafael