RFR: 8278131: runtime/cds/appcds/dynamicArchive/* tests failing in loom repo

[David Holmes]

On Tue, 14 Dec 2021 23:14:38 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

> A few dynamic archive CDS tests are failing in the loom repo due to more aggressive GC of code cache
> which leads to unloading of some classes before being written into a dynamic CDS archive.
> 
> This change is to make the affected tests more reliable by ensuring the test classes are not unloaded
> during dynamic CDS dump time.
> 
> Testing: Oracle CI tiers 1,2,4.

Sorry should have been more specific. I'm looking at  test/hotspot/jtreg/runtime/HiddenClasses/InstantiateHiddenClass.java where the hidden class is stored in the new field.

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PR: https://git.openjdk.java.net/jdk/pull/6843