RFR(s): ZGC: C2: Dont clone in self loop

[Per Liden]

On 05/29/2018 01:26 PM, Aleksey Shipilev wrote:
> On 05/29/2018 01:11 PM, Nils Eliasson wrote:
>> http://cr.openjdk.java.net/~neliasso/zgc/fix_clone_self/webrev/
> 
> This seems to fix the stack overflow I was seeing.

Thanks for verifying!

/Per

> 
> -Aleksey
>