[lworld] FYI: 8244561: [lworld] Javac should not allow instantiation of V.ref or V.val

[Srikanth Adayapalam]

Instantiation semantics requires a class and projections are types and so are
disallowed.

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Commit messages:
 - 8244561: [lworld] Javac should not allow instantiation of V.ref or V.val

Changes: https://git.openjdk.java.net/valhalla/pull/85/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/85/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8244561
  Stats: 61 lines in 5 files changed: 60 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/85.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/85/head:pull/85

PR: https://git.openjdk.java.net/valhalla/pull/85