RFR [S] JDK-8179624 [REDO] Avoid repeated calls to JavaThread::last_frame in InterpreterRuntime

[coleen.phillimore at oracle.com]

This looks good.
Thanks,
Coleen

On 10/26/17 5:53 PM, Ioi Lam wrote:
> Hi,
>
> Please review the following change. It's a redo of a previous botched
> attempt (JDK-8179305) that had a typo which caused JIT-related crashes.
>
> Thanks to Dean for spotting the typo.
>
> + Bug
> https://bugs.openjdk.java.net/browse/JDK-8179624
>
>
> + The full changeset:
> http://cr.openjdk.java.net/~iklam/jdk10/8179624-redo-8179305-avoid-last-frame.v01.full/ 
>
>
>
> + The delta from the botched attempt
>   (fixing the typo with monitor_begin/monitor_end):
> http://cr.openjdk.java.net/~iklam/jdk10/8179624-redo-8179305-avoid-last-frame.v01.redo_delta/ 
>
>
>
> + Testing:
> hotspot tier1~5 tests.
>
>
> Thanks
> - Ioi