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diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/proto-from-ctor-realm.js b/js/src/tests/test262/built-ins/FinalizationRegistry/proto-from-ctor-realm.js
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+++ b/js/src/tests/test262/built-ins/FinalizationRegistry/proto-from-ctor-realm.js
@@ -0,0 +1,62 @@
+// |reftest| skip-if(!this.hasOwnProperty('FinalizationRegistry')) -- FinalizationRegistry is not enabled unconditionally
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-finalization-registry-target
+description: Default [[Prototype]] value derived from realm of the newTarget
+info: |
+ FinalizationRegistry ( cleanupCallback )
+
+ ...
+ 3. Let finalizationRegistry be ? OrdinaryCreateFromConstructor(NewTarget, "%FinalizationRegistryPrototype%", « [[Realm]], [[CleanupCallback]], [[Cells]], [[IsFinalizationRegistryCleanupJobActive]] »).
+ ...
+ 9. Return finalizationRegistry.
+
+ OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+
+ ...
+ 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+ 3. Return ObjectCreate(proto, internalSlotsList).
+
+ GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+
+ 3. Let proto be ? Get(constructor, 'prototype').
+ 4. If Type(proto) is not Object, then
+ a. Let realm be ? GetFunctionRealm(constructor).
+ b. Set proto to realm's intrinsic object named intrinsicDefaultProto.
+ 5. Return proto.
+features: [FinalizationRegistry, cross-realm, Reflect, Symbol]
+---*/
+
+var other = $262.createRealm().global;
+var newTarget = new other.Function();
+function fn() {}
+var finalizationRegistry;
+
+newTarget.prototype = undefined;
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is undefined');
+
+newTarget.prototype = null;
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is null');
+
+newTarget.prototype = true;
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is a Boolean');
+
+newTarget.prototype = '';
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is a String');
+
+newTarget.prototype = Symbol();
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is a Symbol');
+
+newTarget.prototype = 1;
+finalizationRegistry = Reflect.construct(FinalizationRegistry, [fn], newTarget);
+assert.sameValue(Object.getPrototypeOf(finalizationRegistry), other.FinalizationRegistry.prototype, 'newTarget.prototype is a Number');
+
+
+reportCompare(0, 0);