diff --git a/idea/testData/codegen/regressions/kt343.jet b/idea/testData/codegen/regressions/kt343.jet
new file mode 100644
index 00000000000..d71ccc41a01
--- /dev/null
+++ b/idea/testData/codegen/regressions/kt343.jet
@@ -0,0 +1,16 @@
+import java.util.ArrayList
+
+fun box(): String {
+    val list = ArrayList<Int>()
+    val foo : fun() : Unit = {
+        list.add(2)  //first exception
+    }
+    foo()
+
+//    val bar = {
+//        val x = 1   //second exception
+//    }
+//    bar()
+
+    return if (list.get(0) == 2) "OK" else "fail"
+}
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/jet/codegen/ClassGenTest.java b/idea/tests/org/jetbrains/jet/codegen/ClassGenTest.java
index 17e5d4f9252..72a131c61c6 100644
--- a/idea/tests/org/jetbrains/jet/codegen/ClassGenTest.java
+++ b/idea/tests/org/jetbrains/jet/codegen/ClassGenTest.java
@@ -185,4 +185,9 @@ public class ClassGenTest extends CodegenTestCase {
         assertEquals(method.getReturnType().getName(), "java.lang.Object");
         System.out.println(generateToText());
     }
+
+    public void testKt343 () throws Exception {
+        blackBoxFile("regressions/kt343.jet");
+        System.out.println(generateToText());
+    }
 }