8003280: Add lambda tests

Turn on lambda expression, method reference and default method support

Reviewed-by: jjg

langtools/test/tools/javac/lambda/EffectivelyFinal01.java

@@ -0,0 +1,18 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  effectively final check fails on method parameter
+ * @compile/fail/ref=EffectivelyFinal01.out -XDrawDiagnostics EffectivelyFinal01.java
+ */
+class EffectivelyFinal01 {
+
+    interface SAM {
+        Integer m(Integer i);
+    }
+
+    void test(Integer nefPar) {
+        SAM s = (Integer h) ->  { Integer k = 0; return k + h + nefPar; };
+        nefPar++;  //non-effectively final
+    }
+}