RFR (S) Make tenuring threshold unsigned

[Jon Masamitsu]

Change looks good.

On 09/24/12 06:57, Jesper Wilhelmsson wrote:
> Hi,
>
> While working on a different change I noticed that the tenuring 
> threshold was stored in a signed int. This struck me as odd, and since 
> I wanted to avoid some unintuitive casts in my other change I would 
> prefer to change the threshold to an unsigned.
>
> The change is available here:
>
> http://cr.openjdk.java.net/~jwilhelm/TenuringThreshold/
>
> Several files are touched but there's just type changes in a few 
> places per file.
>
> In this change I also change the declared type of 
> -XX:MaxTenuringThreshold and -XX:InitialTenuringThreshold to uintx. 
> This should not be a problem since we don't allow negative values for 
> these flags anyway.
> /Jesper