7170058: Confusing error message from javac when overriding a method from a raw supertypeReviewed-by: mcimadamore
8076543: Add @modules as needed to the langtools testsReviewed-by: jjg, shurailine
8008627: Compiler mishandles three-way return-type-substitutabilitySummary: Compiler should not enforce an order in how ambiguous methods should be resolvedReviewed-by: jjg, vromero
8005299: Add FunctionalInterface checking to javacSummary: Javac should check that types annotated with @FunctionalInterface are indeed functional interfacesReviewed-by: jjg
8003280: Add lambda testsSummary: Turn on lambda expression, method reference and default method supportReviewed-by: jjg