RFR: JDK-8211004: javac is complaining about non-denotable types and refusing to generate the class file

[Vicente Romero]

Please review the fix for [1] at [2]. This fix is enforcing the type of 
the enclosing class of an anonymous inner class to be denotable.

Thanks,
Vicente

[1] https://bugs.openjdk.java.net/browse/JDK-8211004
[2] http://cr.openjdk.java.net/~vromero/8211004/webrev.00/