A trivial JNI refactoring in Hotspot to use `ExceptionCheck()` over `ExceptionOccurred()` when the usage is treating the return value as a boolean. This is part of the bigger umbrella issue: [JDK-8341542](https://bugs.openjdk.org/browse/JDK-8341542).
> ExceptionCheck > We introduce a convenience function to check for pending exceptions > without creating a local reference to the exception object. > > jboolean ExceptionCheck(JNIEnv *env); > > Returns JNI_TRUE when there is a pending exception; otherwise, returns > JNI_FALSE. ------------- Commit messages: - init Changes: https://git.openjdk.org/jdk/pull/21724/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21724&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341788 Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/21724.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21724/head:pull/21724 PR: https://git.openjdk.org/jdk/pull/21724