[patch] Don't disable const merging if an alias of a constant is llvm.used

[Rafael Espíndola]

ping

On 22 April 2013 18:27, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
> Right now we disable constant merging not only if a constant is
> llvm.used, but also if an alias of a constant is llvm.used. This patch
> fixes that.
>
> Cheers,
> Rafael