[15] RFR 8240917: Shenandoah: Avoid scanning thread code roots twice in all root scanner

[Roman Kennke]

It's doing the same in both branches, or what am I missing?

Roman

On 3/12/20 2:23 PM, Zhengyu Gu wrote:
> Please review this small enhancement, that avoids scanning thread's code
> roots if we scan all code blobs anyway.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8240917
> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8240917/webrev.00/
> 
> 
> Test:
>   hotspot_gc_shenandoah (fastdebug and release)
> 
> Thanks,
> 
> -Zhengyu
>