8003280: Add lambda tests

Turn on lambda expression, method reference and default method support

Reviewed-by: jjg

langtools/test/tools/javac/lambda/LambdaConv10.java

@@ -0,0 +1,17 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check that lambda conversion does not allow boxing of lambda parameters
+ * @author  Maurizio Cimadamore
+ * @compile/fail/ref=LambdaConv10.out -XDrawDiagnostics LambdaConv10.java
+ */
+
+class LambdaConv10 {
+
+    interface Method1<R, A1> { public R call( A1 a1 ); }
+
+    public static void main( final String... notUsed ) {
+        Method1<Integer,Integer> m1 = (int i) -> 2 * i;
+    }
+}