7175433: Inference cleanup: add helper class to handle inference variables Summary: Add class to handle inference variables instantiation and associated info Reviewed-by: jjg, dlsmith

7194586: Add back-end support for invokedynamic Summary: Add support for invokedynamic bytecode instruction; includes suppot for generation of all related classfile attributes Reviewed-by: jjg

7193913: Cleanup Resolve.findMethod Summary: Refactor method lookup logic in Resolve.findMethod Reviewed-by: jjg