RFR (S) 8216072: Remove TaskTerminator's assignment operator

[Thomas Schatzl]

Hi,

On Tue, 2019-01-29 at 15:56 -0500, zgu at redhat.com wrote:
> The assignment operator was a workaround for issues since resolved by
> JDK-8215047, JDK-8215299 and JDK-8215220. It is time to remove it and
> use ParallelTaskTerminator::reset_for_reuse() instead.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8216072
> Webrev: 
> http://cr.openjdk.java.net/~zgu/JDK-8216072/webrev.00/index.html

  looks good to me. Thanks for cleaning this up.

> Test:
> 
>   hotspot_gc (+/-UseOWSTTaskTerminator) on Linux x64 (fastdebug and
> release)

hs-tier1-5 passed.

Thanks,
  Thomas