8043253: Slow javac compile times in JDK 8 Summary: Enable on-demand diagnostic source position completion Reviewed-by: jjg, vromero

8046916: Type parameter annotations don't work with multiple type parameters Summary: When reading type variable's annotations out of the owner's type annotations, use the type variable's index in owner to exclude annotations belonging to other type variables. Reviewed-by: jfranck, emc