RFR: 8234502: Merge GenCollectedHeap and SerialHeap [v11]

[Albert Mingkun Yang]

On Wed, 10 Jan 2024 15:45:42 GMT, Lei Zaakjyu <duke at openjdk.org> wrote:

>> 8234502: Merge GenCollectedHeap and SerialHeap
>
> Lei Zaakjyu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix

src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/PointerFinder.java line 87:

> 85:     // Check if address is in the java heap.
> 86:     CollectedHeap heap = VM.getVM().getUniverse().heap();
> 87:     if (heap instanceof GenCollectedHeap) {

Maybe just rename this to `SerialHeap` so that this PR doesn't touch much SA code unnecessarily. (The inconsistency among different collectors can be dealt with in other PRs.)

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PR Review Comment: https://git.openjdk.org/jdk/pull/16927#discussion_r1447880653