Classes: Add basic support for properties

src/lookup.cc

Index: src/lookup.cc
diff --git a/src/lookup.cc b/src/lookup.cc
index bca0ab5d5f4379888605026c65528a1f7d5eb40c..84eb6d45adc44cfacad6c94a77a93e1e80a22fa5 100644
--- a/src/lookup.cc
+++ b/src/lookup.cc
@@ -314,8 +314,12 @@ bool LookupIterator::IsSpecialNumericIndex() const {
     Handle<String> name_string = Handle<String>::cast(name());
     if (name_string->length() > 0) {
       double d =
-          StringToDouble(isolate()->unicode_cache(), *name_string, NO_FLAGS);
+          StringToDouble(isolate()->unicode_cache(), name_string, NO_FLAGS);
       if (!std::isnan(d)) {
+        if (String::Equals(isolate()->factory()->minus_zero_string(),
+                           name_string))
+          return true;
+
         Factory* factory = isolate()->factory();
         Handle<Object> num = factory->NewNumber(d);
         Handle<String> roundtrip_string = factory->NumberToString(num);