[jdk17u-dev] RFR: 8276175: codestrings.validate_vm gtest still broken on ppc64 after JDK-8276046

[Goetz Lindenmaier]

I backport this as follow up of [JDK-8264207](https://bugs.openjdk.org/browse/JDK-8264207).

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Depends on: https://git.openjdk.org/jdk17u-dev/pull/3751

Commit messages:
 - backport b889f2a88a5e182d2424b741d8fedf2c784442f1

Changes: https://git.openjdk.org/jdk17u-dev/pull/3753/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3753&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8276175
  Stats: 8 lines in 1 file changed: 5 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3753.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3753/head:pull/3753

PR: https://git.openjdk.org/jdk17u-dev/pull/3753