Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-772897.js

@@ -0,0 +1,20 @@
+// Copyright 2017 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.
+
+function store(obj, name) {
+  return obj[name] = 0;
+}
+
+function f(obj) {
+  var key = {
+    toString() { throw new Error("boom"); }
+  };
+  store(obj, key);
+}
+
+(function() {
+  var proxy = new Proxy({}, {});
+  store(proxy, 0)
+  assertThrows(() => f(proxy), Error);
+})();