RFR: 8240722: [BACKOUT] G1DirtyCardQueue destructor has useless flush

[Stefan Johansson]

Looks good,
StefanJ

On 2020-03-09 08:38, Kim Barrett wrote:
> Please review this backout of JDK-8240133, which turns out to have
> problems and needs a bit of a rethink; see JDK-8240722 for details.
> 
> CR:
> [backout] https://bugs.openjdk.java.net/browse/JDK-8240722
> [original] https://bugs.openjdk.java.net/browse/JDK-8240133
> 
> Webrev:
> https://cr.openjdk.java.net/~kbarrett/8240722/open.00/
> 
> Testing:
> Local build.
> 
>