[patch] Use __literal16 on x86-64

[Rafael Espíndola]

On 13 February 2014 18:11, Nick Kledzik <kledzik at apple.com> wrote:
> .literal16 support was added to Apple’s linker and assembler for ppc64 which was circa 2005.   The only reason to not just use it is if LLVM wants to support some one using a really old linker or (cctools) assembler.  So, this second patch looks good to me.

r201365.

Thanks!
Rafael