6968793: issues with diagnostics
Summary: several diagnostic improvements
Reviewed-by: jjg

6875336: some tests should use /nodynamiccopyright/
Reviewed-by: darcy

6776289: Regression: javac7 doesnt resolve method calls properly
Summary: Superclass' private methods shouldn't be considered during method resolution
Reviewed-by: jjg

6711619: javac doesn't allow access to protected members in intersection types
Summary: Accordingly to new accessibility rules all members of intersection types (but private ones) should be accessible
Reviewed-by: jjg