[15] RFR 8245827: Shenandoah: Cleanup Shenandoah code root iterators and root scanner

[Aleksey Shipilev]

On 5/27/20 2:42 AM, Zhengyu Gu wrote:
> ShenandoahCsetCodeRootsIterator and ShenandoahCSetRootScanner are only 
> relevant to Traversal GC, which was removed by JDK-8242082, they should 
> be removed as well.
> 
> After removal, we can rename ShenandoahAllCodeRootsIterator and 
> ShenandoahAllRootScanner back to ShenandoahCodeRootsIterator and 
> ShenandoahRootScanner, respectively.
> 
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8245827
> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8245827/webrev.00/index.html

Looks good!

For the code that is moved around, there were no actual semantic changes, right? I haven't checked
that part closely.

-- 
Thanks,
-Aleksey