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-rw-r--r--js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js31
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diff --git a/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js b/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js
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+++ b/js/src/tests/test262/built-ins/Map/proto-from-ctor-realm.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map-iterable
+description: Default [[Prototype]] value derived from realm of the newTarget
+info: |
+ [...]
+ 3. Let map be ? OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%",
+ « [[MapData]] »).
+ [...]
+
+ 9.1.14 GetPrototypeFromConstructor
+
+ [...]
+ 3. Let proto be ? Get(constructor, "prototype").
+ 4. If Type(proto) is not Object, then
+ a. Let realm be ? GetFunctionRealm(constructor).
+ b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
+ [...]
+features: [cross-realm, Reflect]
+---*/
+
+var other = $262.createRealm().global;
+var C = new other.Function();
+C.prototype = null;
+
+var o = Reflect.construct(Map, [], C);
+
+assert.sameValue(Object.getPrototypeOf(o), other.Map.prototype);
+
+reportCompare(0, 0);