[jdk22u] RFR: 8272364: Parallel GC adaptive size policy may shrink the heap below MinHeapSize

[Martin Doerr]

On Mon, 20 May 2024 18:25:59 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> The backport is not clean. 
> 
> The conflict is in the new test, which uses new API introduced by JDK-8321812 in 23. The issue is resolved by fall back to use old API in 22.
> 
> This risk of the backport is low and shrinking heap below minimum heap size is an unpleasant surpprise.

This change causes test errors [JDK-8331675](https://bugs.openjdk.org/browse/JDK-8331675). Shouldn't they get addressed first?

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PR Comment: https://git.openjdk.org/jdk22u/pull/217#issuecomment-2122212272