CRR (S): 7121623: G1: always be able to reliably calculate the length of a forwarded chunked array

[John Cuthbertson]

Hi Tony,

Looks good to me.

JohnC

On 12/14/11 14:17, Tony Printezis wrote:
> Hi all,
>
> Can I have a couple of code review for this small change?
>
> http://cr.openjdk.java.net/~tonyp/7121623/webrev.0/
>
> The CR has a bit more explanation. The short version is that I'm now 
> encoding the "start index of the next chunk" in the from-space length 
> field of a chunked array (say *that* quickly!) as a negative value to 
> always be able to distinguish it from the real length. This will 
> simplify the code for the CR John is currently working on (6484965) 
> but it's a small, self-contained change so it's good to get it code 
> reviewed and pushed separately.
>
> Tony
>