langtools/test/tools/javac/diags/CheckExamples.java fails after JDK-8160851

langtools test tools/javac/diags/CheckExamples.java starts failing after JDK-8160851:

java.lang.Exception: 1 errors occurred.
at CheckExamples.run(CheckExamples.java:154)
at CheckExamples.main(CheckExamples.java:79)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-internal/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-internal/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-internal/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-internal/Method.java:535)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
at java.lang.Thread.run(java.base@9-internal/Thread.java:843)