Less inequivalence on Hello World!

pkg/compiler/lib/src/kernel/types.dart

Index: pkg/compiler/lib/src/kernel/types.dart
diff --git a/pkg/compiler/lib/src/kernel/types.dart b/pkg/compiler/lib/src/kernel/types.dart
index a0f6268c6a917bcfa7c4044ebbc96ae97976ca0b..5abe4907ae2723e9627f3e7ffe4fca0f87ad4f6f 100644
--- a/pkg/compiler/lib/src/kernel/types.dart
+++ b/pkg/compiler/lib/src/kernel/types.dart
@@ -46,6 +46,11 @@ class _KernelDartTypes extends DartTypes {
   }
 
   @override
+  Iterable<InterfaceType> getInterfaces(ClassEntity cls) {
+    return elementMap._getInterfaces(cls);
+  }
+
+  @override
   InterfaceType asInstanceOf(InterfaceType type, ClassEntity cls) {
     return elementMap._asInstanceOf(type, cls);
   }