[lworld] RFR: 8378706: [lworld] ProblemList runtime/cds/appcds/cacheObject/ArchivedFlatArrayTest.java in Xcomp mode

[Daniel D. Daugherty]

A trivial fix to ProblemList runtime/cds/appcds/cacheObject/ArchivedFlatArrayTest.java in Xcomp mode.

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Commit messages:
 - 8378706: [lworld] ProblemList runtime/cds/appcds/cacheObject/ArchivedFlatArrayTest.java in Xcomp mode

Changes: https://git.openjdk.org/valhalla/pull/2168/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2168&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8378706
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/2168.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2168/head:pull/2168

PR: https://git.openjdk.org/valhalla/pull/2168