1 files changed, 33 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-917980.js b/deps/v8/test/mjsunit/regress/regress-crbug-917980.js
new file mode 100644
index 0000000000..18dc782400
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-917980.js
@@ -0,0 +1,33 @@
+// Copyright 2018 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
+
+const constructors = [
+  [Uint8Array, [0, 1]],
+  [Int8Array, [0, 1]],
+  [Uint16Array, [0, 1]],
+  [Int16Array, [0, 1]],
+  [Uint32Array, [0, 1]],
+  [Int32Array, [0, 1]],
+  [Float32Array, [0, 1]],
+  [Float64Array, [0, 1]],
+  [Uint8ClampedArray, [0, 1]],
+  [BigInt64Array, [0n, 1n]],
+  [BigUint64Array, [0n, 1n]]
+];
+
+let typedArray;
+
+const separator = {
+  toString() {
+    %ArrayBufferDetach(typedArray.buffer);
+    return '*';
+  }
+};
+
+constructors.forEach(([constructor, arr]) => {
+  typedArray = new constructor(arr);
+  assertSame(typedArray.join(separator), '*');
+});