The following tests failed in the JDK19 CI:

gc/stress/gcbasher/TestGCBasherWithParallel.java
gc/stress/gcbasher/TestGCBasherWithG1.java
gc/stress/gcbasher/TestGCBasherWithSerial.java

Here's a snippet from the TestGCBasherWithG1.java log file:

----------System.err:(19/1063)----------
java.lang.IllegalArgumentException: Unknown constant pool type 68
CPE 678 of 803
Byte offset 2c5d
at gc.stress.gcbasher.Decompiler.decodeConstantPool(Decompiler.java:331)
at gc.stress.gcbasher.Decompiler.<init>(Decompiler.java:42)
at gc.stress.gcbasher.TestGCBasher.parseClassFiles(TestGCBasher.java:46)
at gc.stress.gcbasher.TestGCBasher.main(TestGCBasher.java:63)
at gc.stress.gcbasher.TestGCBasherWithG1.main(TestGCBasherWithG1.java:40)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:828)

JavaTest Message: Test threw exception: java.lang.IllegalArgumentException: Unknown constant pool type 68
CPE 678 of 803
Byte offset 2c5d
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.IllegalArgumentException: Unknown constant pool type 68 CPE 678 of 803 Byte offset 2c5d
----------rerun:(36/7207)*----------