EA-39162 Exception while trying to wrap method with default parameters

idea/testData/javaFacade/wrapFunWithDefaultParam.kt

@@ -0,0 +1 @@
+fun <caret>test(a : Int = 1) = Unit.VALUE

idea/tests/org/jetbrains/jet/plugin/javaFacade/JetJavaFacadeTest.java

@@ -63,6 +63,10 @@ public class JetJavaFacadeTest extends LightCodeInsightFixtureTestCase {
         doTestWrapMethod(true);
     }
 
+    public void testWrapFunWithDefaultParam() {
+        doTestWrapMethod(true);
+    }
+
     public void testWrapFunWithImplInTrait() {
         doTestWrapMethod(true);
     }