RFR: 8357503: gcbasher fails with java.lang.IllegalArgumentException: Unknown constant pool type

[Alexey Semenyuk]

Add missing CONSTANT_Dynamic.

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Commit messages:
 - 8357503: gcbasher fails with java.lang.IllegalArgumentException: Unknown constant pool type

Changes: https://git.openjdk.org/jdk/pull/25370/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25370&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357503
  Stats: 7 lines in 1 file changed: 6 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25370.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25370/head:pull/25370

PR: https://git.openjdk.org/jdk/pull/25370