RFR (XXS) CR 8006997: ContendedPaddingWidth should be uintx

[Aleksey Shipilev]

On 02/07/2013 03:43 AM, David Holmes wrote:
> I have to wonder whether leaving ContendedPaddingWidth as signed is not
> the simplest thing to do as it may be impractical, if not impossible, to
> get uniformity of the signed-ness of expressions across all platforms.

Well, Vladimir I. suggested we booby-trap against negative values with
guarantee(...). Will that be sufficient?

-Aleksey.