Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-980422.js

@@ -0,0 +1,29 @@
+// Copyright 2019 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: --enable-lazy-source-positions --stress-lazy-source-positions
+(function () {
+  ((d, e = d) => {
+    return d * e;
+  })();
+})();
+
+try {
+  (function () {
+    ((d, e = f, f = d) => {
+      // Won't get here as the initializers will cause a ReferenceError
+    })();
+  })();
+  assertUnreachable();
+} catch (ex) {
+  assertInstanceof(ex, ReferenceError);
+  // Not using assertThrows because we need to access ex.stack to force
+  // collection of source positions.
+  print(ex.stack);
+}
+
+// Check that spreads in arrow functions work
+(function () {
+  ((...args) => args)();
+})();