8193302: Javac AssertionError: typeSig ERROR on usage of @Generated Summary: Importing from an invisible package whose name is a prefix of a visible package is not allowed. Reviewed-by: vromero

Compiled from "HelloWorld.java"
public class HelloWorld extends java.lang.Object{
    public HelloWorld();
    public static void main(java.lang.String[]);
    public native void test();
}