In order to reduce the noise in the JDK18 CI, I'm ProblemListing:
sun/tools/jcmd/JcmdOutputEncodingTest.java
sun/tools/jstack/BasicJStackTest.java
on all configs.
sun/tools/jcmd/JcmdOutputEncodingTest.java
sun/tools/jstack/BasicJStackTest.java
on all configs.