RFR 8021863: Stream.concat incorrectly calculates unsized state

[Chris Hegarty]

Looks ok to me Paul.

-Chris.

On 07/30/2013 11:53 AM, Paul Sandoz wrote:
> Hi,
>
> http://cr.openjdk.java.net/~psandoz/tl/JDK-8021863-concat-size/webrev/
>
> This patch just tidies up calculating whether the concatenating spliterator is unsized or not before splitting. There was a typo when checking spliterator characteristics, but it turns out the characteristics do not need to be checked. Some tests are also added.
>
> Paul.
>