[ESNext] Implement DynamicImportCall

test/mjsunit/harmony/modules-import-1.js

Index: test/mjsunit/harmony/modules-import-1.js
diff --git a/test/mjsunit/harmony/modules-import-1.js b/test/mjsunit/harmony/modules-import-1.js
new file mode 100644
index 0000000000000000000000000000000000000000..a438e128e68b8b978c7c2bd8f690bf3ec06f9cd0
--- /dev/null
+++ b/test/mjsunit/harmony/modules-import-1.js
@@ -0,0 +1,14 @@
+// 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.
+
+// Flags: --allow-natives-syntax --harmony-dynamic-import
+
+var life;
+import('modules-skip-1.js').then(namespace => life = namespace.life());
+
+assertEquals(undefined, life);
+
+%RunMicrotasks();
+
+assertEquals(42, life);