RFR(XS): ZGC: C2: Relax assert in expand_loadbarrier_node

[Erik Österlund]

Hi Nils,

Looks splendid.

Thanks,
/Erik

On 2018-06-04 17:26, Nils Eliasson wrote:
> Hi,
>
> This is a minor fix that relaxes an assert. A LoadP may have another 
> LoadP as address.
>
> http://cr.openjdk.java.net/~neliasso/zgc/relax_assert/
>
> // Nils
>