RFR: 8266931: [lworld] [lw3] Test InlineTypeArrays.java fails because of incorrect instanceof behavior

[Frederic Parain]

Fix super types of null-free arrays of primitive classes ([LFoo; must be present in the list of super types of [QFoo;).

Fred

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Commit messages:
 - Fix supers of null-free arrays of primitive classes

Changes: https://git.openjdk.java.net/valhalla/pull/413/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=413&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266931
  Stats: 49 lines in 4 files changed: 25 ins; 6 del; 18 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/413.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/413/head:pull/413

PR: https://git.openjdk.java.net/valhalla/pull/413