Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-1067757.js

@@ -0,0 +1,30 @@
+// Copyright 2020 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: --no-lazy-feedback-allocation
+
+"use strict";
+
+function foo() {
+  let count = 0;
+  try {
+    for (p of v) {
+      count += 1;
+    }
+  } catch (e) { }
+  assertEquals(count, 0);
+}
+
+var v = [ "0", {}];
+
+foo();
+Reflect.deleteProperty(v, '0');
+
+let count_loop = 0;
+try {
+ for (p of v) { count_loop += 1; }
+} catch (e) {}
+assertEquals(count_loop, 0);
+
+foo();