[jdk16] RFR: 8257621: JFR StringPool misses cached items across consecutive recordings [v5]

[Markus Grönlund]

> Greetings,
> 
> this change fixes problems with the StringPool as it relates to chunk rotations.
> 
> Thanks
> Markus

Markus Grönlund has updated the pull request incrementally with one additional commit since the last revision:

  remove generation concept

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk16/pull/18/files
  - new: https://git.openjdk.java.net/jdk16/pull/18/files/6cc42844..6b7e5ab8

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk16&pr=18&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk16&pr=18&range=03-04

  Stats: 116 lines in 9 files changed: 12 ins; 81 del; 23 mod
  Patch: https://git.openjdk.java.net/jdk16/pull/18.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16 pull/18/head:pull/18

PR: https://git.openjdk.java.net/jdk16/pull/18