7133185: Update 292 overload resolution logic to match JLS Summary: Re-implement special overload resolution support for method handles according to the JLS SE 7 definition Reviewed-by: jjg, dlsmith, jrose

7151492: Encapsulate check logic into Attr.ResultInfo Summary: ResultInfo class should be used to make attribution code transparent w.r.t. check logic being used Reviewed-by: jjg, dlsmith

7151580: Separate DA/DU logic from exception checking logic in Flow.java Summary: DA/DU analysis and exception checking analysis should live in two separate tree visitors Reviewed-by: gafter, dlsmith, jjg