[jdk16u] RFR: 8258471: "search codecache" clhsdb command does not work

[Yasumasa Suenaga]

This backport request has been approved on JBS.

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Commit messages:
 - 8258471: "search codecache" clhsdb command does not work

Changes: https://git.openjdk.java.net/jdk16u/pull/3/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16u&pr=3&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8258471
  Stats: 47 lines in 3 files changed: 46 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk16u/pull/3.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16u pull/3/head:pull/3

PR: https://git.openjdk.java.net/jdk16u/pull/3