[lworld] RFR: 8244975: [lworld] Investigate if VM can implement Object::hashCode by calling ValueBootstrapMethods for inline types [v5]

[David Simms]

> Use ValueBootstrapMethods for Object::hashCode()

David Simms has updated the pull request incrementally with one additional commit since the last revision:

  more clean up to javac Gen::synthesizeValueMethod

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Changes:
  - all: https://git.openjdk.java.net/valhalla/pull/136/files
  - new: https://git.openjdk.java.net/valhalla/pull/136/files/bef769e8..37cdaed3

Webrevs:
 - full: https://webrevs.openjdk.java.net/valhalla/136/webrev.04
 - incr: https://webrevs.openjdk.java.net/valhalla/136/webrev.03-04

  Stats: 15 lines in 1 file changed: 4 ins; 9 del; 2 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/136.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/136/head:pull/136

PR: https://git.openjdk.java.net/valhalla/pull/136