Add %TypedArray% to proto chain

test/mjsunit/regress/regress-typedarray-length.js

Index: test/mjsunit/regress/regress-typedarray-length.js
diff --git a/test/mjsunit/regress/regress-typedarray-length.js b/test/mjsunit/regress/regress-typedarray-length.js
index cae55731f921ced9e26218d1b47631867aa71c30..10a664991f828f1f0af2ce46d37cd9c70d43f056 100644
--- a/test/mjsunit/regress/regress-typedarray-length.js
+++ b/test/mjsunit/regress/regress-typedarray-length.js
@@ -72,12 +72,12 @@ assertEquals(undefined, get(a));
 })();
 
 // Ensure we cannot delete length, byteOffset, byteLength.
-assertTrue(Int32Array.prototype.hasOwnProperty("length"));
-assertTrue(Int32Array.prototype.hasOwnProperty("byteOffset"));
-assertTrue(Int32Array.prototype.hasOwnProperty("byteLength"));
-assertFalse(delete Int32Array.prototype.length);
-assertFalse(delete Int32Array.prototype.byteOffset);
-assertFalse(delete Int32Array.prototype.byteLength);
+assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("length"));
+assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteOffset"));
+assertTrue(Int32Array.prototype.__proto__.hasOwnProperty("byteLength"));
+assertFalse(delete Int32Array.prototype.__proto__.length);
+assertFalse(delete Int32Array.prototype.__proto__.byteOffset);
+assertFalse(delete Int32Array.prototype.__proto__.byteLength);
 
 a = new Int32Array(100);