RFR: 8278016: Add compiler tests to tier{2,3} [v2]

[David Holmes]

On Wed, 1 Dec 2021 20:56:26 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>>> @shipilev again I think we need to examine this in terms of impact to our CI. We run different platforms and configurations in different tiers so the costs are not as simple as looking at one run.
>> 
>> Again, I can wait for those who have more insight in Oracle testing pipelines check their workflows with this change. I have no insight in Oracle infra, so somebody else have to do it. Now that Igor left, who should we be talking to?
>
>> > @shipilev again I think we need to examine this in terms of impact to our CI. We run different platforms and configurations in different tiers so the costs are not as simple as looking at one run.
>> 
>> Again, I can wait for those who have more insight in Oracle testing pipelines check their workflows with this change. I have no insight in Oracle infra, so somebody else have to do it. Now that Igor left, who should we be talking to?
> 
> @dholmes-ora  I checked and this change does not interfere with our CI. `tier2` and `tier3` introduced by #5241 are not used by our CI. New `tier2_compiler` and `tier3_compiler` groups are also not used. We use different sets in CI. I am not sure how else it can affect our testing.
> 
> I also submitted our testing. I will let you know results.

@vnkozlov thanks for that! I didn't realize the HS testing was so isolated from the jtreg group definitions.

Thanks for your patience @shipilev .

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PR: https://git.openjdk.java.net/jdk/pull/6622