[jdk20u] RFR: 8289748: C2 compiled code crashes with SIGFPE with -XX:+StressLCM and -XX:+StressGCM

[Tobias Hartmann]

Backport of [JDK-8289748](https://bugs.openjdk.java.net/browse/JDK-8289748). Applies cleanly. Approval is pending.

Thanks,
Tobias

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

Commit messages:
 - 8289748: C2 compiled code crashes with SIGFPE with -XX:+StressLCM and -XX:+StressGCM

Changes: https://git.openjdk.org/jdk20u/pull/34/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20u&pr=34&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289748
  Stats: 76 lines in 2 files changed: 75 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk20u/pull/34.diff
  Fetch: git fetch https://git.openjdk.org/jdk20u.git pull/34/head:pull/34

PR: https://git.openjdk.org/jdk20u/pull/34