diff --git a/tests/baselines/reference/blockScopedBindingUsedBeforeDef.js b/tests/baselines/reference/blockScopedBindingUsedBeforeDef.js
index cc9ad56be88..78fd3dfc92a 100644
--- a/tests/baselines/reference/blockScopedBindingUsedBeforeDef.js
+++ b/tests/baselines/reference/blockScopedBindingUsedBeforeDef.js
@@ -15,7 +15,7 @@ for (var _i = 0, _a = [{}]; _i < _a.length; _i++) {
     continue;
 }
 // 2:
-for (var _c = a, a = {}[_c]; false;)
+for (var _c = a, a = ({})[_c]; false;)
     continue;
 // 3:
-var _d = b, b = {}[_d];
+var _d = b, b = ({})[_d];
diff --git a/tests/baselines/reference/computedPropertiesInDestructuring2.js b/tests/baselines/reference/computedPropertiesInDestructuring2.js
index 8579881b775..872cf7831c7 100644
--- a/tests/baselines/reference/computedPropertiesInDestructuring2.js
+++ b/tests/baselines/reference/computedPropertiesInDestructuring2.js
@@ -4,4 +4,4 @@ let {[foo2()]: bar3} = {};
 
 //// [computedPropertiesInDestructuring2.js]
 var foo2 = function () { return "bar"; };
-var _a = foo2(), bar3 = {}[_a];
+var _a = foo2(), bar3 = ({})[_a];
diff --git a/tests/baselines/reference/controlFlowDestructuringDeclaration.js b/tests/baselines/reference/controlFlowDestructuringDeclaration.js
index 39192f1baad..2e007f2cad8 100644
--- a/tests/baselines/reference/controlFlowDestructuringDeclaration.js
+++ b/tests/baselines/reference/controlFlowDestructuringDeclaration.js
@@ -98,11 +98,11 @@ function f5() {
     z;
 }
 function f6() {
-    var x = {}.x;
+    var x = ({}).x;
     x;
-    var y = {}.y;
+    var y = ({}).y;
     y;
-    var _a = {}.z, z = _a === void 0 ? "" : _a;
+    var _a = ({}).z, z = _a === void 0 ? "" : _a;
     z;
 }
 function f7() {
diff --git a/tests/baselines/reference/destructuringObjectBindingPatternAndAssignment1ES5.js b/tests/baselines/reference/destructuringObjectBindingPatternAndAssignment1ES5.js
index f201b17deda..21889807f6f 100644
--- a/tests/baselines/reference/destructuringObjectBindingPatternAndAssignment1ES5.js
+++ b/tests/baselines/reference/destructuringObjectBindingPatternAndAssignment1ES5.js
@@ -60,7 +60,7 @@ var {"prop2": d1} = foo1();
 // V is an object assignment pattern and, for each assignment property P in V,
 //      S is the type Any, or
 var a1 = undefined.a1;
-var a2 = {}.a2;
+var a2 = ({}).a2;
 // V is an object assignment pattern and, for each assignment property P in V,
 //      S has an apparent property with the property name specified in
 //          P of a type that is assignable to the target given in P, or
diff --git a/tests/baselines/reference/shorthandPropertyAssignmentsInDestructuring.js b/tests/baselines/reference/shorthandPropertyAssignmentsInDestructuring.js
index ca874652de8..a92f3b6a63d 100644
--- a/tests/baselines/reference/shorthandPropertyAssignmentsInDestructuring.js
+++ b/tests/baselines/reference/shorthandPropertyAssignmentsInDestructuring.js
@@ -194,12 +194,12 @@ function foo({a = 4, b = { x: 5 }}) {
 });
 (function () {
     var y1;
-    (_a = {}.y1, y1 = _a === void 0 ? 5 : _a);
+    (_a = ({}).y1, y1 = _a === void 0 ? 5 : _a);
     var _a;
 });
 (function () {
     var y1;
-    (_a = {}.y1, y1 = _a === void 0 ? 5 : _a);
+    (_a = ({}).y1, y1 = _a === void 0 ? 5 : _a);
     var _a;
 });
 (function () {
diff --git a/tests/baselines/reference/templateStringInPropertyName1.js b/tests/baselines/reference/templateStringInPropertyName1.js
index 239ba78d827..18e35c475e3 100644
--- a/tests/baselines/reference/templateStringInPropertyName1.js
+++ b/tests/baselines/reference/templateStringInPropertyName1.js
@@ -4,6 +4,6 @@ var x = {
 }
 
 //// [templateStringInPropertyName1.js]
-var x = (_a = ["a"], _a.raw = ["a"], {}(_a));
+var x = (_a = ["a"], _a.raw = ["a"], ({})(_a));
 321;
 var _a;
diff --git a/tests/baselines/reference/templateStringInPropertyName2.js b/tests/baselines/reference/templateStringInPropertyName2.js
index 8a71a6e30be..1a2995ca08f 100644
--- a/tests/baselines/reference/templateStringInPropertyName2.js
+++ b/tests/baselines/reference/templateStringInPropertyName2.js
@@ -4,6 +4,6 @@ var x = {
 }
 
 //// [templateStringInPropertyName2.js]
-var x = (_a = ["abc", "def", "ghi"], _a.raw = ["abc", "def", "ghi"], {}(_a, 123, 456));
+var x = (_a = ["abc", "def", "ghi"], _a.raw = ["abc", "def", "ghi"], ({})(_a, 123, 456));
 321;
 var _a;