[lworld] Integrated: 8328641: [lworld] runtime/exceptionMsgs/AbstractMethodError/AbstractMethodErrorTest.java fails with java.lang.IncompatibleClassChangeError: value class AME5_B cannot inherit from class AME5_A

[Frederic Parain]

Make the VM fix the missing ACC_IDENTITY flags even when preview or Valhalla modes are not enabled.

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Commit messages:
 - Fix missing ACC_IDENTITY even when in non Valhalla mode

Changes: https://git.openjdk.org/valhalla/pull/1056/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1056&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328641
  Stats: 24 lines in 2 files changed: 4 ins; 5 del; 15 mod
  Patch: https://git.openjdk.org/valhalla/pull/1056.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1056/head:pull/1056

PR: https://git.openjdk.org/valhalla/pull/1056