RFR: 8326717: Disable stringop-overflow in shenandoahLock.cpp

[Dan Lutker]

Local fastdebug builds are working with GCC 13.2.1 on Linux aarch64.

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Commit messages:
 - Disable stringop-overflow in shenandoahLock.cpp

Changes: https://git.openjdk.org/jdk/pull/18017/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18017&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326717
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18017.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18017/head:pull/18017

PR: https://git.openjdk.org/jdk/pull/18017