8029383: assert(counter_changed) failed: failed dependencies, but counter didn't change Summary: no call to SystemDictionary::notice_modification() when class is defined through Unsafe.defineAnonymousClass() can caused missed dependency change. Reviewed-by: kvn, twisti

8029351: assert(bt != T_OBJECT) failed: Guard is incorrect in VM:defmeth Summary: replace test condition with reference to the proper predicate, encode folk wisdom into an assert Reviewed-by: twisti, coleenp