RFR: 8340120: Out of bounds addressing in mismatch

[Per Minborg]

This PR fixes a build error where we addressed out of bounds.

-------------

Commit messages:
 - Remove redundant code

Changes: https://git.openjdk.org/jdk/pull/20998/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20998&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340120
  Stats: 9 lines in 1 file changed: 0 ins; 9 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/20998.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20998/head:pull/20998

PR: https://git.openjdk.org/jdk/pull/20998