[lworld] RFR: 8252112: [lworld] Deoptimization fails when trying to re-assign empty inline type elements of a flattened array

[Tobias Hartmann]

Deoptimization::reassign_flat_array_elements needs to handle flat arrays with empty inline type elements.

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Commit messages:
 - 8252112: [lworld] Deoptimization fails when trying to re-assign empty inline type elements of a flattened array

Changes: https://git.openjdk.java.net/valhalla/pull/158/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/158/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252112
  Stats: 19 lines in 2 files changed: 19 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/158.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/158/head:pull/158

PR: https://git.openjdk.java.net/valhalla/pull/158