[11u] RFR 8239477: jdk/jfr/jcmd/TestJcmdStartStopDefault.java fails -XX:+VerifyOops with "verify_oop: rsi: broken oop"

[Lindenmaier, Goetz]

Hi Aleksey, 

This looks good to me.

Best regards,
  Goetz.

> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> On Behalf
> Of Aleksey Shipilev
> Sent: Monday, September 7, 2020 10:06 AM
> To: jdk-updates-dev at openjdk.java.net
> Subject: Re: [11u] RFR 8239477: jdk/jfr/jcmd/TestJcmdStartStopDefault.java
> fails -XX:+VerifyOops with "verify_oop: rsi: broken oop"
> 
> This seems to have fallen through the cracks:
> 
> On 7/31/20 12:53 PM, Aleksey Shipilev wrote:
> > Original fix:
> >    https://bugs.openjdk.java.net/browse/JDK-8239477
> >    https://hg.openjdk.java.net/jdk/jdk/rev/1dfb43020070
> >
> > CIs that run testing -XX:+VerifyOops with 11u fail without this.
> >
> > 11u fix is a bit different, because the context is a bit different around this
> line:
> >   __ branch(lir_cond_equal, T_OBJECT, L_end->label());
> >
> > 11u webrev:
> >    http://cr.openjdk.java.net/~shade/8239477/webrev.11u.01/
> >
> > Testing: affected test (used to fail, now it passes); tier{1,2}; jdk_jfr
> 
> --
> Thanks,
> -Aleksey