diff -r 000000000000 -r 959103a6100f test/tools/javac/lambda/TargetType44.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/lambda/TargetType44.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,27 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  compiler throw AssertionError while backtracing from speculative attribution round
+ * @compile/fail/ref=TargetType44.out -XDrawDiagnostics TargetType44.java
+ */
+class TargetType44 {
+
+    interface Unary {
+        void m(int i1);
+    }
+
+    interface Binary {
+        void m(int i1, int i2);
+    }
+
+    void m(Unary u) { }
+    void m(Binary u) { }
+
+    void test() {
+        m(()-> { new Object() { }; }); //fail
+        m(x -> { new Object() { }; }); //ok
+        m((x, y) -> { new Object() { }; }); //ok
+        m((x, y, z) -> { new Object() { }; }); //fail
+    }
+}