Upload Kmake

deps/v8/test/mjsunit/regress/regress-5691.js

@@ -0,0 +1,23 @@
+// 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
+
+var log = "";
+var result;
+Promise.resolve()
+  .then(() => log += "|turn1")
+  .then(() => log += "|turn2")
+  .then(() => log += "|turn3")
+  .then(() => log += "|turn4")
+  .then(() => result = "|start|turn1|fast-resolve|turn2|turn3|slow-resolve|turn4\n"+log)
+  .catch(e => print("ERROR", e));
+
+Promise.resolve(Promise.resolve()).then(() => log += "|fast-resolve");
+(class extends Promise {}).resolve(Promise.resolve()).then(() => log += "|slow-resolve");
+
+log += "|start";
+%PerformMicrotaskCheckpoint();
+assertEquals("|start|turn1|fast-resolve|turn2|turn3|slow-resolve|turn4\n\
+|start|turn1|fast-resolve|turn2|turn3|slow-resolve|turn4", result);