Fix checked mode failure of FindFunctionIndex

runtime/vm/object_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 3454 matching lines @@
   // Same field.
   EXPECT_EQ(field_b.raw(), field_b_from_index.raw());
 }
 
 
 TEST_CASE(FindFunctionIndex) {
   // Tests both FindFunctionIndex and FindImplicitClosureFunctionIndex.
   const char* kScriptChars =
       "class A {\n"
       "  void a() {}\n"
-      "  void b() { return a; }\n"
+      "  Function b() { return a; }\n"
       "}\n"
       "class B {\n"
       "  dynamic d() {}\n"
       "}\n"
       "var x;\n"
       "test() {\n"
       "  x = new A().b();\n"
       "  x();\n"
       "  new B();\n"
       "  return x;\n"
@@ skipping 496 matching lines @@
   // Simple map.
   //
   // TODO(turnidge): Consider showing something like: {1: 2, 2: 'otter'}
   result = Dart_GetField(lib, NewString("simple_map"));
   EXPECT_VALID(result);
   obj ^= Api::UnwrapHandle(result);
   EXPECT_STREQ("Instance of '_LinkedHashMap'", obj.ToUserCString());
 }
 
 }  // namespace dart