runtime failure when "any T" generic method calls another "any T" generic method

[Brian Goetz]

>> Or, couldn't the call from nonspecialized test1() to .<T>test2() also be
>> implemented as invokestatic and be converted to invokedynamic only by
>> specialization?

Yes.  We've got some comments in the code to identify places like this 
where such optimizations can be made.  For now, we're starting with "do 
the dumb thing", though, for obvious reasons.