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

test/mjsunit/es6/typedarray-reduce.js

 // 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,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
   Int32Array,
   Uint8ClampedArray,
   Float32Array,
   Float64Array
@@ skipping 225 matching lines @@
   // Shadowing length doesn't affect every, unlike Array.prototype.every
   var a = new constructor([1, 2]);
   Object.defineProperty(a, 'length', {value: 1});
   assertEquals(a.reduce(sum, 0), 3);
   assertEquals(Array.prototype.reduce.call(a, sum, 0), 1);
   assertEquals(a.reduceRight(sum, 0), 3);
   assertEquals(Array.prototype.reduceRight.call(a, sum, 0), 1);
 
   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);
 }