[modules] Basic support of exports

test/mjsunit/modules/this.js

Index: test/mjsunit/modules/this.js
diff --git a/test/message/regress/regress-4829-1.js b/test/mjsunit/modules/this.js
similarity index 80%
copy from test/message/regress/regress-4829-1.js
copy to test/mjsunit/modules/this.js
index 1ad5feda8cb96cd24e4c47f7407c9699d150c327..2c8fc74fe75aec57d5ab0df2370edbd43ed3a988 100644
--- a/test/message/regress/regress-4829-1.js
+++ b/test/mjsunit/modules/this.js
@@ -2,6 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-function tag() {}
+// MODULE
 
-tag(tag`\xyy`);
+assertEquals(undefined, this);