The change adds test to verify heap walking API (FollowReferences and IterateOverReachableObjects) do not reports array classes several times
------------- Commit messages: - jcheck - heapwalk_dup_classes - Merge branch 'openjdk:lworld' into lworld - Revert "ctor_debug" - ctor_debug Changes: https://git.openjdk.org/valhalla/pull/1852/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1852&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8368799 Stats: 226 lines in 2 files changed: 226 ins; 0 del; 0 mod Patch: https://git.openjdk.org/valhalla/pull/1852.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1852/head:pull/1852 PR: https://git.openjdk.org/valhalla/pull/1852
