6717241: some diagnostic argument is prematurely converted into a String object Summary: removed early toString() conversions applied to diagnostic arguments Reviewed-by: jjg

6594284: NPE thrown when calling a method on an intersection type Summary: javac should report an error when the capture of an actual type parameter does not exist Reviewed-by: jjg

6651719: Compiler crashes possibly during forward reference of TypeParameter Summary: compiler should apply capture conversion when checking for bound conformance Reviewed-by: jjg