JS backend: fixed name clash between public function w/o parameters and non-public function with same name.

js/js.tests/test/org/jetbrains/k2js/test/semantics/FunctionTest.java

@@ -62,27 +62,22 @@ public class FunctionTest extends AbstractExpressionTest {
         checkFooBoxIsOk();
     }
 
-
     public void testImplicitItParameter() throws Exception {
         fooBoxTest();
     }
 
-
     public void testDefaultParameters() throws Exception {
         fooBoxTest();
     }
 
-
     public void testFunctionLiteralAsLastParameter() throws Exception {
         fooBoxTest();
     }
 
-
     public void testNamedArguments() throws Exception {
         fooBoxTest();
     }
 
-
     public void testExpressionAsFunction() throws Exception {
         fooBoxTest();
     }
@@ -132,6 +127,10 @@ public class FunctionTest extends AbstractExpressionTest {
         checkFooBoxIsOk();
     }
 
+    public void testManglingClashWithFunctionsWithoutParameters() throws Exception {
+        checkFooBoxIsOk();
+    }
+
     public void testLocalExtFunction() throws Exception {
         checkFooBoxIsOk();
     }