RFR: 8342683: Use non-short forward jump when passing stop()

[Fredrik Bredberg]

Fixed a "short forward jump exceeds 8-bit offset at" error in `fast_unlock_lightweight()` that appears on x86 based platforms when using `-XX:+ShowMessageBoxOnError`.

Tested ok in tier1-3 on all x86 based platforms.

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Commit messages:
 - 8342683: Use non-short forward jump when passing stop()

Changes: https://git.openjdk.org/jdk/pull/21635/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21635&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342683
  Stats: 5 lines in 1 file changed: 3 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21635.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21635/head:pull/21635

PR: https://git.openjdk.org/jdk/pull/21635