The following test failed in the JDK18 CI:

compiler/uncommontrap/TestDeoptOOM.java#id1

Here's a snippet from the log file:

#section:main
----------messages:(4/846)----------
command: main -XX:-BackgroundCompilation -Xmx128M -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack -XX:CompileCommand=exclude,compiler.uncommontrap.TestDeoptOOM::main -XX:CompileCommand=exclude,compiler.uncommontrap.TestDeoptOOM::m9_1 -XX:+UseZGC -XX:+LogCompilation -XX:+PrintDeoptimizationDetails -XX:+TraceDeoptimization -XX:+Verbose compiler.uncommontrap.TestDeoptOOM
reason: User specified action: run main/othervm -XX:-BackgroundCompilation -Xmx128M -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack -XX:CompileCommand=exclude,compiler.uncommontrap.TestDeoptOOM::main -XX:CompileCommand=exclude,compiler.uncommontrap.TestDeoptOOM::m9_1 -XX:+UseZGC -XX:+LogCompilation -XX:+PrintDeoptimizationDetails -XX:+TraceDeoptimization -XX:+Verbose compiler.uncommontrap.TestDeoptOOM 
Mode: othervm [/othervm specified]
elapsed time (seconds): 0.005
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(4/268)----------
Error: VM option 'LogCompilation' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.
Error: The unlock option must precede 'LogCompilation'.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
----------rerun:(43/6044)*----------