Fix regression in prepareContext() that caused "constructor" to be en…

…umerable. [closes #747]
standard-things · Mar 13, 2019 · 027f381 · 027f381
1 parent 13e99b3
commit 027f381
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/util/prepare-context.js b/src/util/prepare-context.js
@@ -144,21 +144,22 @@ function init() {
       }
 
       if (typeof RealmBuiltin === "function") {
+        setPrototypeOf(RealmBuiltin, getPrototypeOf(Builtin))
+
         if (has(RealmBuiltin, "prototype")) {
           const RealmProto = RealmBuiltin.prototype
 
           if (isObjectLike(RealmProto)) {
             const BuiltinProto = Builtin.prototype
 
+            setPrototypeOf(RealmProto, BuiltinProto)
+
             if (has(BuiltinProto, "constructor")) {
-              setProperty(RealmProto, "constructor", BuiltinProto.constructor)
+              Reflect.defineProperty(RealmProto, "constructor",
+                Reflect.getOwnPropertyDescriptor(BuiltinProto, "constructor"))
             }
-
-            setPrototypeOf(RealmProto, BuiltinProto)
           }
         }
-
-        setPrototypeOf(RealmBuiltin, getPrototypeOf(Builtin))
       }
     })