RFR: 8259954: gc/shenandoah/mxbeans tests fail with -Xcomp

[Roman Kennke]

On Thu, 21 Jan 2021 09:09:22 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> See the bug report for initial observation. The key thing is that the asynchronous GC notifications can arrive late, and they do arrive late with `-Xcomp`, because all that code is now waiting for compilation. The answer is to wait a bit smarter.
> 
> Additional testing:
>  - [x] `gc/shenandoah/mxbeans` default mode
>  - [x] `gc/shenandoah/mxbeans` with `-Xcomp`
>  - [x] `gc/shenandoah/mxbeans` with `-Xint`

Ok.

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Marked as reviewed by rkennke (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2179