[foreign-jextract] [Rev 02] RFR: 8240181: jextract does not generate constants for anonymous enum fields

[Athijegannathan Sundararajan]

> anonymous enums were filtered by TreeMaker.

The pull request has been updated with a new target base due to a merge or a rebase.

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Commits:
 - c9d98e90: Merge branch 'foreign-jextract' into JDK-8240181
 - 4d78fe58: refactored test as recommended in code review.
 - bde12086: added bugid to the test.
 - a293c4d1: 8240181: jextract does not generate constants for anonymous enum fields

Changes: https://git.openjdk.java.net/panama-foreign/pull/35/files
 Webrev: https://webrevs.openjdk.java.net/panama-foreign/35/webrev.02
  Stats: 150 lines in 5 files changed: 146 ins; 3 del; 1 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/35.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/35/head:pull/35

PR: https://git.openjdk.java.net/panama-foreign/pull/35