RFR: 8361433: [Big Endian] assert(verify_guards()) failed: Expected valid memory guards after 8357601

[Martin Doerr]

Big Endian fix for [JDK-8357601](https://bugs.openjdk.org/browse/JDK-8357601).

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Commit messages:
 - 8361433: [Big Endian] assert(verify_guards()) failed: Expected valid memory guards after 8357601

Changes: https://git.openjdk.org/jdk/pull/26140/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26140&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361433
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26140.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26140/head:pull/26140

PR: https://git.openjdk.org/jdk/pull/26140