fixes #616, statics on callable functions

test/codegen_expected/language/function_subtype_call2_test.js

Index: test/codegen_expected/language/function_subtype_call2_test.js
diff --git a/test/codegen_expected/language/function_subtype_call2_test.js b/test/codegen_expected/language/function_subtype_call2_test.js
index 300eca3176bbd0a94a6c69a5591454981af692b4..2ffb22a55b703b1725ca1ab13bc33fe48be5f925 100644
--- a/test/codegen_expected/language/function_subtype_call2_test.js
+++ b/test/codegen_expected/language/function_subtype_call2_test.js
@@ -23,9 +23,8 @@ dart_library.library('language/function_subtype_call2_test', null, /* Imports */
   function_subtype_call2_test.Boz = dart.typedef('Boz', () => dart.functionType(dart.void, [core.bool]));
   function_subtype_call2_test.C1$ = dart.generic(T => {
     const C1 = dart.callableClass(function C1(...args) {
-      const self = this;
       function call(...args) {
-        return self.call.apply(self, args);
+        return call.call.apply(call, args);
       }
       call.__proto__ = this.__proto__;
       call.new.apply(call, args);
@@ -50,9 +49,8 @@ dart_library.library('language/function_subtype_call2_test', null, /* Imports */
   function_subtype_call2_test.D1 = D1();
   function_subtype_call2_test.C2$ = dart.generic(T => {
     const C2 = dart.callableClass(function C2(...args) {
-      const self = this;
       function call(...args) {
-        return self.call.apply(self, args);
+        return call.call.apply(call, args);
       }
       call.__proto__ = this.__proto__;
       call.new.apply(call, args);