Builder lld-x86_64-win7​ is back

[Joerg Sonnenberger via llvm-commits]

On Tue, Feb 09, 2016 at 02:40:06PM -0800, Rui Ueyama via llvm-commits wrote:
> Tried to fix the warning, and I'm not now sure if the warning makes sense.
> These "'~': zero extending '<smaller integer type>' to 'int64_t' of greater
> size" warning may be annoying as it is issued for code like "int64_t x =
> ~<some-int32_t-var>".

This sounds like something were the semantic of the code is not
obviously what was originally intended.

Joerg