fix cpp11 compile errors

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/isolate.h"
@@ skipping 3245 matching lines @@
 
 
 static void PrintMetadata(const char* name, const Object& data) {
   if (data.IsError()) {
     OS::Print("Error in metadata evaluation for %s: '%s'\n",
               name,
               Error::Cast(data).ToErrorCString());
   }
   EXPECT(data.IsArray());
   const Array& metadata = Array::Cast(data);
-  OS::Print("Metadata for %s has %"Pd" values:\n", name, metadata.Length());
+  OS::Print("Metadata for %s has %" Pd " values:\n", name, metadata.Length());
   Object& elem = Object::Handle();
   for (int i = 0; i < metadata.Length(); i++) {
     elem = metadata.At(i);
     OS::Print("  %d: %s\n", i, elem.ToCString());
   }
 }
 
 
 TEST_CASE(Metadata) {
   const char* kScriptChars =
@@ skipping 169 matching lines @@
   cls = Object::dynamic_class();
   array = cls.fields();
   EXPECT(!array.IsNull());
   EXPECT(array.IsArray());
   array = cls.functions();
   EXPECT(!array.IsNull());
   EXPECT(array.IsArray());
 }
 
 }  // namespace dart