[foreign-jextract] [Rev 01] 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 1 additional commit.

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Added commits:
 - 4d78fe58: refactored test as recommended in code review.

Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/35/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/35/files/bde12086..4d78fe58

Webrevs:
 - full: https://webrevs.openjdk.java.net/panama-foreign/35/webrev.01
 - incr: https://webrevs.openjdk.java.net/panama-foreign/35/webrev.00-01

  Stats: 56 lines in 1 file changed: 56 ins; 0 del; 0 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