java/lang/Class/getDeclaredField/FieldSetAccessibleTest.java started failing on all platforms since 2015-11-07, and the failure is reproducible.

Log :
java.lang.IllegalAccessError: superclass access check failed: class com.javafx.main.NoJavaFXFallback (in module: jdk.packager) cannot access class javax.swing.JApplet (in module: java.desktop), jdk.packager cannot read java.desktop
at java.lang.ClassLoader.defineClass2(java.base@9.0/Native Method)
at java.lang.ClassLoader.defineClass(java.base@9.0/ClassLoader.java:1016)
at java.security.SecureClassLoader.defineClass(java.base@9.0/SecureClassLoader.java:184)
at jdk.internal.misc.BuiltinClassLoader.defineClass(java.base@9.0/BuiltinClassLoader.java:540)
at jdk.internal.misc.BuiltinClassLoader.lambda$findClassInModuleOrNull$2(java.base@9.0/BuiltinClassLoader.java:473)
at java.security.AccessController.doPrivileged(java.base@9.0/Native Method)
at jdk.internal.misc.BuiltinClassLoader.findClassInModuleOrNull(java.base@9.0/BuiltinClassLoader.java:474)
at jdk.internal.misc.BuiltinClassLoader.loadClassOrNull(java.base@9.0/BuiltinClassLoader.java:414)
at jdk.internal.misc.BuiltinClassLoader.loadClass(java.base@9.0/BuiltinClassLoader.java:388)
at jdk.internal.misc.ClassLoaders$AppClassLoader.loadClass(java.base@9.0/ClassLoaders.java:177)
at java.lang.ClassLoader.loadClass(java.base@9.0/ClassLoader.java:373)
at java.lang.Class.getDeclaredFields0(java.base@9.0/Native Method)
at java.lang.Class.privateGetDeclaredFields(java.base@9.0/Class.java:2789)
at java.lang.Class.getDeclaredFields(java.base@9.0/Class.java:2063)
at FieldSetAccessibleTest.testSetFieldsAccessible(FieldSetAccessibleTest.java:83)
at FieldSetAccessibleTest.test(FieldSetAccessibleTest.java:121)
at FieldSetAccessibleTest.test(FieldSetAccessibleTest.java:234)
at FieldSetAccessibleTest.test(FieldSetAccessibleTest.java:191)
at FieldSetAccessibleTest.run(FieldSetAccessibleTest.java:175)
at FieldSetAccessibleTest$TestCase.run(FieldSetAccessibleTest.java:287)
at FieldSetAccessibleTest.main(FieldSetAccessibleTest.java:166)
at sun.reflect.NativeMethodAccessorImpl.invoke0(java.base@9.0/Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(java.base@9.0/NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9.0/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9.0/Method.java:531)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(java.base@9.0/Thread.java:747)