diff --git a/tests/baselines/reference/typeGuardFunctionOfFormThis.js b/tests/baselines/reference/typeGuardFunctionOfFormThis.js
index c1c670e8d7d..0d1dceccede 100644
--- a/tests/baselines/reference/typeGuardFunctionOfFormThis.js
+++ b/tests/baselines/reference/typeGuardFunctionOfFormThis.js
@@ -157,7 +157,7 @@ var RoyalGuard = (function () {
         return this instanceof FollowerGuard;
     };
     return RoyalGuard;
-})();
+}());
 var LeadGuard = (function (_super) {
     __extends(LeadGuard, _super);
     function LeadGuard() {
@@ -166,7 +166,7 @@ var LeadGuard = (function (_super) {
     LeadGuard.prototype.lead = function () { };
     ;
     return LeadGuard;
-})(RoyalGuard);
+}(RoyalGuard));
 var FollowerGuard = (function (_super) {
     __extends(FollowerGuard, _super);
     function FollowerGuard() {
@@ -175,7 +175,7 @@ var FollowerGuard = (function (_super) {
     FollowerGuard.prototype.follow = function () { };
     ;
     return FollowerGuard;
-})(RoyalGuard);
+}(RoyalGuard));
 var a = new FollowerGuard();
 if (a.isLeader()) {
     a.lead();
@@ -220,7 +220,7 @@ var ArrowGuard = (function () {
         };
     }
     return ArrowGuard;
-})();
+}());
 var ArrowElite = (function (_super) {
     __extends(ArrowElite, _super);
     function ArrowElite() {
@@ -228,7 +228,7 @@ var ArrowElite = (function (_super) {
     }
     ArrowElite.prototype.defend = function () { };
     return ArrowElite;
-})(ArrowGuard);
+}(ArrowGuard));
 var ArrowMedic = (function (_super) {
     __extends(ArrowMedic, _super);
     function ArrowMedic() {
@@ -236,7 +236,7 @@ var ArrowMedic = (function (_super) {
     }
     ArrowMedic.prototype.heal = function () { };
     return ArrowMedic;
-})(ArrowGuard);
+}(ArrowGuard));
 var guard = new ArrowGuard();
 if (guard.isElite()) {
     guard.defend();
@@ -262,7 +262,7 @@ var MimicGuard = (function () {
     MimicGuard.prototype.isFollower = function () { return this instanceof MimicFollower; };
     ;
     return MimicGuard;
-})();
+}());
 var MimicLeader = (function (_super) {
     __extends(MimicLeader, _super);
     function MimicLeader() {
@@ -270,7 +270,7 @@ var MimicLeader = (function (_super) {
     }
     MimicLeader.prototype.lead = function () { };
     return MimicLeader;
-})(MimicGuard);
+}(MimicGuard));
 var MimicFollower = (function (_super) {
     __extends(MimicFollower, _super);
     function MimicFollower() {
@@ -278,7 +278,7 @@ var MimicFollower = (function (_super) {
     }
     MimicFollower.prototype.follow = function () { };
     return MimicFollower;
-})(MimicGuard);
+}(MimicGuard));
 var mimic = new MimicGuard();
 a.isLeader = mimic.isLeader;
 a.isFollower = mimic.isFollower;
diff --git a/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js b/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
index 0495e3cd773..73622bf60cc 100644
--- a/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
+++ b/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
@@ -75,7 +75,7 @@ var RoyalGuard = (function () {
         return this instanceof FollowerGuard;
     };
     return RoyalGuard;
-})();
+}());
 var LeadGuard = (function (_super) {
     __extends(LeadGuard, _super);
     function LeadGuard() {
@@ -84,7 +84,7 @@ var LeadGuard = (function (_super) {
     LeadGuard.prototype.lead = function () { };
     ;
     return LeadGuard;
-})(RoyalGuard);
+}(RoyalGuard));
 var FollowerGuard = (function (_super) {
     __extends(FollowerGuard, _super);
     function FollowerGuard() {
@@ -93,7 +93,7 @@ var FollowerGuard = (function (_super) {
     FollowerGuard.prototype.follow = function () { };
     ;
     return FollowerGuard;
-})(RoyalGuard);
+}(RoyalGuard));
 var a = new FollowerGuard();
 var b = new LeadGuard();
 // Mismatched guards shouldn't be assignable
diff --git a/tests/baselines/reference/typeGuardOfFormThisMember.js b/tests/baselines/reference/typeGuardOfFormThisMember.js
index 8cb5b89aa90..2f983d2cdf8 100644
--- a/tests/baselines/reference/typeGuardOfFormThisMember.js
+++ b/tests/baselines/reference/typeGuardOfFormThisMember.js
@@ -113,7 +113,7 @@ var Test;
             configurable: true
         });
         return FileSystemObject;
-    })();
+    }());
     Test.FileSystemObject = FileSystemObject;
     var File = (function (_super) {
         __extends(File, _super);
@@ -122,7 +122,7 @@ var Test;
             this.content = content;
         }
         return File;
-    })(FileSystemObject);
+    }(FileSystemObject));
     Test.File = File;
     var Directory = (function (_super) {
         __extends(Directory, _super);
@@ -130,7 +130,7 @@ var Test;
             _super.apply(this, arguments);
         }
         return Directory;
-    })(FileSystemObject);
+    }(FileSystemObject));
     Test.Directory = Directory;
     var file = new File("foo/bar.txt", "foo");
     file.isNetworked = false;
diff --git a/tests/baselines/reference/typeGuardOfFormThisMemberErrors.js b/tests/baselines/reference/typeGuardOfFormThisMemberErrors.js
index e6b2f556621..6f681ab09cf 100644
--- a/tests/baselines/reference/typeGuardOfFormThisMemberErrors.js
+++ b/tests/baselines/reference/typeGuardOfFormThisMemberErrors.js
@@ -63,7 +63,7 @@ var Test;
             configurable: true
         });
         return FileSystemObject;
-    })();
+    }());
     Test.FileSystemObject = FileSystemObject;
     var File = (function (_super) {
         __extends(File, _super);
@@ -72,7 +72,7 @@ var Test;
             this.content = content;
         }
         return File;
-    })(FileSystemObject);
+    }(FileSystemObject));
     Test.File = File;
     var Directory = (function (_super) {
         __extends(Directory, _super);
@@ -80,7 +80,7 @@ var Test;
             _super.apply(this, arguments);
         }
         return Directory;
-    })(FileSystemObject);
+    }(FileSystemObject));
     Test.Directory = Directory;
     var file = new File("foo/bar.txt", "foo");
     file.isNetworked = file.isFile;