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

test/mjsunit/es6/typedarray-findindex.js

Index: test/mjsunit/es6/typedarray-findindex.js
diff --git a/test/mjsunit/es6/typedarray-findindex.js b/test/mjsunit/es6/typedarray-findindex.js
index 51c439203d907bad0bef433858d49449c6764905..326cd4e931d43f25c930342492a11e6fac57f29c 100644
--- a/test/mjsunit/es6/typedarray-findindex.js
+++ b/test/mjsunit/es6/typedarray-findindex.js
@@ -2,6 +2,8 @@
 // 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,
@@ -184,4 +186,17 @@ assertEquals(Array.prototype.findIndex.call(a,
     function(elt) { x += elt; return false; }), -1);
 assertEquals(x, 4);
 
+// 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.findIndex(tmp), TypeError);
 }