Revert of [typedarrays] Check detached buffer at start of typed array methods

test/mjsunit/es6/typedarray-reduce.js

Index: test/mjsunit/es6/typedarray-reduce.js
diff --git a/test/mjsunit/es6/typedarray-reduce.js b/test/mjsunit/es6/typedarray-reduce.js
index ba5d7f7a20dcdd52ce7afb6df1d64faa81ca5e92..1fddeca0bc749973a8f1ef68b4c6716cb0ad50b0 100644
--- a/test/mjsunit/es6/typedarray-reduce.js
+++ b/test/mjsunit/es6/typedarray-reduce.js
@@ -1,8 +1,6 @@
 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
-// Flags: --allow-natives-syntax
 
 var typedArrayConstructors = [
   Uint8Array,
@@ -249,18 +247,4 @@
 
   assertEquals(1, constructor.prototype.reduce.length);
   assertEquals(1, constructor.prototype.reduceRight.length);
-
-  // Detached Operation
-  var tmp = {
-    [Symbol.toPrimitive]() {
-      assertUnreachable("Parameter should not be processed when " +
-                        "array.[[ViewedArrayBuffer]] is neutered.");
-      return 0;
-    }
-  };
-
-  var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
-  %ArrayBufferNeuter(array.buffer);
-  assertThrows(() => array.reduce(sum, tmp), TypeError);
-  assertThrows(() => array.reduceRight(sum, tmp), TypeError);
-}
+}