Don't ignore passed attributes in InstallGetterSetter

src/js/prologue.js

Index: src/js/prologue.js
diff --git a/src/js/prologue.js b/src/js/prologue.js
index 7f3f3bd3e6698b60097da8004736f3b3ef314e29..71a4922db28e8fe2bfecbd87c3b8e7dd12b73f2f 100644
--- a/src/js/prologue.js
+++ b/src/js/prologue.js
@@ -120,7 +120,7 @@ function InstallGetterSetter(object, name, getter, setter, attributes) {
   SetFunctionName(setter, name, "set");
   %FunctionRemovePrototype(getter);
   %FunctionRemovePrototype(setter);
-  %DefineAccessorPropertyUnchecked(object, name, getter, setter, DONT_ENUM);
+  %DefineAccessorPropertyUnchecked(object, name, getter, setter, attributes);
   %SetNativeFlag(getter);
   %SetNativeFlag(setter);
 }