Add test that TypedArray.prototype.set doesn't throw if a getter for …

…an element detaches

test/built-ins/TypedArray/prototype/set/array-arg-targetbuffer-detached-on-get-src-value-no-throw.js

@@ -0,0 +1,36 @@
+// Copyright (C) 2022 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.set-array-offset
+description: >
+  Does not throw if target TA is detached mid-iteration
+includes: [testTypedArray.js, detachArrayBuffer.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([1, 2, 3]);
+  var obj = {
+    length: 3,
+    "0": 42
+  };
+  Object.defineProperty(obj, 1, {
+    get: function() {
+      $DETACHBUFFER(sample.buffer);
+    }
+  });
+  let get2Called = false;
+  Object.defineProperty(obj, 2, {
+    get: function() {
+      get2Called = true;
+      return 2;
+    }
+  });
+
+  sample.set(obj);
+
+  assert.sameValue(true, get2Called);
+  assert.sameValue(0, sample.byteLength);
+  assert.sameValue(0, sample.byteOffset);
+  assert.sameValue(0, sample.length);
+});