RFR: 8327240: Remove unused Tier2CompileThreshold/Tier2BackEdgeThreshold product flags

Tue Apr 23 15:56:27 UTC 2024

On Mon, 22 Apr 2024 20:23:49 GMT, Sonia Zaldana Calles <szaldana at openjdk.org> wrote:

> Hi all, 
> 
> This PR removes the unused options ```Tier2CompileThreshold``` and ```Tier2BackEdgeThreshold```. 
> 
> Testing: 
> - [x] Verified unrecognized option error is reported after removing options. 
> 
> Thanks, 
> Sonia

Since these are product flags, you need a CSR and then first obsolete the flag (I think deprecation can be skipped since the flag is unused). You can have a look at the following PR which also aimed to remove an unused product flag recently by first obsoleting it:

https://github.com/openjdk/jdk/pull/18648

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PR Comment: https://git.openjdk.org/jdk/pull/18904#issuecomment-2072801562