Fail inference when an instance field is referenced.

pkg/analyzer/test/src/task/strong_mode_test.dart

Index: pkg/analyzer/test/src/task/strong_mode_test.dart
diff --git a/pkg/analyzer/test/src/task/strong_mode_test.dart b/pkg/analyzer/test/src/task/strong_mode_test.dart
index ed3d8ca5686f602b5a0f7ce1bd2d0a142eb14b56..3d807b0e0a565153e5ebcb134b2662ef8a075608 100644
--- a/pkg/analyzer/test/src/task/strong_mode_test.dart
+++ b/pkg/analyzer/test/src/task/strong_mode_test.dart
@@ -30,7 +30,7 @@ class InstanceMemberInferrerTest extends ResolverTestCase {
   InstanceMemberInferrer createInferrer(LibraryElement library) {
     AnalysisContext context = library.context;
     return new InstanceMemberInferrer(
-        context.typeProvider, new InheritanceManager(library),
+        context.typeProvider, new InheritanceManager(library), new Set(),
         typeSystem: context.typeSystem);
   }