[lworld] FYI: 8244583: [lworld] TestIntrinsics fails due to unexpected getSuperclass() result

[Tobias Hartmann]

Should test for MyValue1.ref.class instead of MyAbstract.class.

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Commit messages:
 - Re-adding cast workaround
 - 8244583: [lworld] TestIntrinsics fails due to unexpected getSuperclass() result

Changes: https://git.openjdk.java.net/valhalla/pull/37/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/37/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8244583
  Stats: 6 lines in 1 file changed: 0 ins; 2 del; 4 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/37.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/37/head:pull/37

PR: https://git.openjdk.java.net/valhalla/pull/37