Emit trailing comments

src/compiler/emitter.ts

@@ -1930,6 +1930,7 @@ module ts {
 
             function emitTrailingDeclarationComments(node: Declaration) {
                 var trailingComments = getTrailingComments(currentSourceFile.text, node.end);
+                emitComments(trailingComments, writer, writeComment);
             }
 
             if (compilerOptions.sourceMap) {

tests/baselines/reference/AmbientModuleAndAmbientWithSameNameAndCommonRoot.js

@@ -28,4 +28,4 @@ var p = new A.Point(0, 0); // unexpected error here, bug 840000
 //// [test.js]
 var p;
 var p = A.Point.Origin;
-var p = new A.Point(0, 0);
+var p = new A.Point(0, 0);// unexpected error here, bug 840000 

tests/baselines/reference/AmbientModuleAndNonAmbientClassWithSameNameAndCommonRoot.js

@@ -37,4 +37,4 @@ var A;
 //// [test.js]
 var p;
 var p = A.Point.Origin;
-var p = new A.Point(0, 0);
+var p = new A.Point(0, 0);// unexpected error here, bug 840000 

tests/baselines/reference/ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js

@@ -30,7 +30,7 @@ var Point = (function () {
     }
     Point.Origin = function () {
         return { x: 0, y: 0 };
-    };
+    };// unexpected error here bug 840246 
     return Point;
 })();
 var Point;
@@ -38,7 +38,7 @@ var Point;
     function Origin() {
         return null;
     }
-    Point.Origin = Origin;
+    Point.Origin = Origin;//expected duplicate identifier error 
 })(Point || (Point = {}));
 var A;
 (function (A) {
@@ -49,7 +49,7 @@ var A;
         }
         Point.Origin = function () {
             return { x: 0, y: 0 };
-        };
+        };// unexpected error here bug 840246 
         return Point;
     })();
     A.Point = Point;
@@ -57,7 +57,7 @@ var A;
         function Origin() {
             return "";
         }
-        Point.Origin = Origin;
+        Point.Origin = Origin;//expected duplicate identifier error 
     })(A.Point || (A.Point = {}));
     var Point = A.Point;
 })(A || (A = {}));

tests/baselines/reference/ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js

@@ -37,7 +37,7 @@ var Point;
 (function (Point) {
     function Origin() {
         return "";
-    }
+    }// not an error, since not exported 
 })(Point || (Point = {}));
 var A;
 (function (A) {
@@ -55,7 +55,7 @@ var A;
     (function (Point) {
         function Origin() {
             return "";
-        }
+        }// not an error since not exported 
     })(A.Point || (A.Point = {}));
     var Point = A.Point;
 })(A || (A = {}));

tests/baselines/reference/ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js

@@ -33,7 +33,7 @@ var Point = (function () {
 })();
 var Point;
 (function (Point) {
-    Point.Origin = "";
+    Point.Origin = "";//expected duplicate identifier error 
 })(Point || (Point = {}));
 var A;
 (function (A) {
@@ -47,7 +47,7 @@ var A;
     })();
     A.Point = Point;
     (function (Point) {
-        Point.Origin = "";
+        Point.Origin = "";//expected duplicate identifier error 
     })(A.Point || (A.Point = {}));
     var Point = A.Point;
 })(A || (A = {}));

tests/baselines/reference/ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js

@@ -33,7 +33,7 @@ var Point = (function () {
 })();
 var Point;
 (function (Point) {
-    var Origin = "";
+    var Origin = "";// not an error, since not exported 
 })(Point || (Point = {}));
 var A;
 (function (A) {
@@ -47,7 +47,7 @@ var A;
     })();
     A.Point = Point;
     (function (Point) {
-        var Origin = "";
+        var Origin = "";// not an error since not exported 
     })(A.Point || (A.Point = {}));
     var Point = A.Point;
 })(A || (A = {}));

tests/baselines/reference/ClassAndModuleWithSameNameAndCommonRoot.js

@@ -69,7 +69,7 @@ var X;
 //// [test.js]
 //var cl: { x: number; y: number; }
 var cl = new X.Y.Point(1, 1);
-var cl = X.Y.Point.Origin;
+var cl = X.Y.Point.Origin;// error not expected here same as bug 83996 ? 
 //// [simple.js]
 var A = (function () {
     function A() {

tests/baselines/reference/FunctionAndModuleWithSameNameAndCommonRoot.js

@@ -64,7 +64,7 @@ var fn;
 var fn = A.Point;
 var cl;
 var cl = A.Point();
-var cl = A.Point.Origin;
+var cl = A.Point.Origin;// not expected to be an error. 
 //// [simple.js]
 var B;
 (function (B) {
@@ -78,7 +78,7 @@ var B;
     var Point = B.Point;
 })(B || (B = {}));
 var fn;
-var fn = B.Point;
+var fn = B.Point;// not expected to be an error. bug 840000: [corelang] Function of fundule not assignalbe as expected 
 var cl;
 var cl = B.Point();
 var cl = B.Point.Origin;

tests/baselines/reference/InvalidNonInstantiatedModule.js

@@ -9,5 +9,5 @@ var x: typeof M; // Error only a namespace
 
 
 //// [InvalidNonInstantiatedModule.js]
-var m = M;
-var x;
+var m = M;// Error, not instantiated can not be used as var 
+var x;// Error only a namespace 

tests/baselines/reference/ModuleWithExportedAndNonExportedFunctions.js

@@ -51,7 +51,7 @@ var A;
 var fn;
 var fn = A.fn;
 var fng;
-var fng = A.fng;
+var fng = A.fng;// bug 838015 
 // these should be errors since the functions are not exported
 var fn2 = A.fn2;
 var fng2 = A.fng2;

tests/baselines/reference/ParameterList7.js

@@ -9,6 +9,6 @@ class C1 {
 var C1 = (function () {
     function C1(p3) {
         this.p3 = p3;
-    }
+    }// OK 
     return C1;
 })();

tests/baselines/reference/additionOperatorWithInvalidOperands.js

@@ -70,7 +70,7 @@ var r2 = a + b;
 var r3 = a + c;
 // number + every type except any and string
 var r4 = b + a;
-var r5 = b + b;
+var r5 = b + b;// number + number is valid 
 var r6 = b + c;
 // object + every type except any and string
 var r7 = c + a;

tests/baselines/reference/additionOperatorWithTypeParameter.js

@@ -54,18 +54,18 @@ function foo(t, u) {
     var g;
     var f;
     // type parameter as left operand
-    var r1 = t + a;
+    var r1 = t + a;// ok, one operand is any 
     var r2 = t + b;
     var r3 = t + c;
-    var r4 = t + d;
+    var r4 = t + d;// ok, one operand is string 
     var r5 = t + e;
     var r6 = t + g;
     var r7 = t + f;
     // type parameter as right operand
-    var r8 = a + t;
+    var r8 = a + t;// ok, one operand is any 
     var r9 = b + t;
     var r10 = c + t;
-    var r11 = d + t;
+    var r11 = d + t;// ok, one operand is string 
     var r12 = e + t;
     var r13 = g + t;
     var r14 = f + t;

tests/baselines/reference/aliasBug.js

@@ -46,7 +46,7 @@ var provide = foo;
 var booz = foo.bar.baz;
 var p = new provide.Provide();
 function use() {
-    var p1;
+    var p1;// error here, but should be okay 
     var p2;
     var p3;
     var p22 = new provide.Provide();

tests/baselines/reference/aliasOnMergedModuleInterface.js

@@ -25,4 +25,4 @@ var x: foo.A = foo.bar("hello"); // foo.A should be ok but foo.bar should be err
 //// [aliasOnMergedModuleInterface_1.js]
 var z;
 z.bar("hello");
-var x = foo.bar("hello");
+var x = foo.bar("hello");// foo.A should be ok but foo.bar should be error 

tests/baselines/reference/ambiguousOverloadResolution.js

@@ -28,4 +28,4 @@ var B = (function (_super) {
     return B;
 })(A);
 var x;
-var t = f(x, x);
+var t = f(x, x);// Not an error 

tests/baselines/reference/anyAsConstructor.js

@@ -18,4 +18,4 @@ var a = new x();
 var b = new x('hello');
 var c = new x(x);
 // grammar allows this for constructors
-var d = new x(x);
+var d = new x(x);// no error 

tests/baselines/reference/anyAssignabilityInInheritance.js

@@ -90,40 +90,40 @@ var r3 = foo3(a); // any
 
 //// [anyAssignabilityInInheritance.js]
 var a;
-var r3 = foo2(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
+var r3 = foo2(a);// any, not a subtype of number so it skips that overload, is a subtype of itself so it picks second (if truly ambiguous it would pick first overload) 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
 var A = (function () {
     function A() {
     }
     return A;
 })();
-var r3 = foo3(a);
+var r3 = foo3(a);// any 
 var A2 = (function () {
     function A2() {
     }
     return A2;
 })();
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
 var E;
 (function (E) {
     E[E["A"] = 0] = "A";
 })(E || (E = {}));
-var r3 = foo3(a);
+var r3 = foo3(a);// any 
 function f() {
 }
 var f;
 (function (f) {
     f.bar = 1;
 })(f || (f = {}));
-var r3 = foo3(a);
+var r3 = foo3(a);// any 
 var CC = (function () {
     function CC() {
     }
@@ -133,6 +133,6 @@ var CC;
 (function (CC) {
     CC.bar = 1;
 })(CC || (CC = {}));
-var r3 = foo3(a);
-var r3 = foo3(a);
-var r3 = foo3(a);
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 
+var r3 = foo3(a);// any 

tests/baselines/reference/arithmeticOperatorWithInvalidOperands.js

@@ -598,9 +598,9 @@ var e;
 var f;
 // All of the below should be an error unless otherwise noted
 // operator *
-var r1a1 = a * a;
+var r1a1 = a * a;//ok 
 var r1a2 = a * b;
-var r1a3 = a * c;
+var r1a3 = a * c;//ok 
 var r1a4 = a * d;
 var r1a5 = a * e;
 var r1a6 = a * f;
@@ -610,9 +610,9 @@ var r1b3 = b * c;
 var r1b4 = b * d;
 var r1b5 = b * e;
 var r1b6 = b * f;
-var r1c1 = c * a;
+var r1c1 = c * a;//ok 
 var r1c2 = c * b;
-var r1c3 = c * c;
+var r1c3 = c * c;//ok 
 var r1c4 = c * d;
 var r1c5 = c * e;
 var r1c6 = c * f;
@@ -634,22 +634,22 @@ var r1f3 = f * c;
 var r1f4 = f * d;
 var r1f5 = f * e;
 var r1f6 = f * f;
-var r1g1 = 0 /* a */ * a;
+var r1g1 = 0 /* a */ * a;//ok 
 var r1g2 = 0 /* a */ * b;
-var r1g3 = 0 /* a */ * c;
+var r1g3 = 0 /* a */ * c;//ok 
 var r1g4 = 0 /* a */ * d;
 var r1g5 = 0 /* a */ * e;
 var r1g6 = 0 /* a */ * f;
-var r1h1 = a * 1 /* b */;
+var r1h1 = a * 1 /* b */;//ok 
 var r1h2 = b * 1 /* b */;
-var r1h3 = c * 1 /* b */;
+var r1h3 = c * 1 /* b */;//ok 
 var r1h4 = d * 1 /* b */;
 var r1h5 = e * 1 /* b */;
 var r1h6 = f * 1 /* b */;
 // operator /
-var r2a1 = a / a;
+var r2a1 = a / a;//ok 
 var r2a2 = a / b;
-var r2a3 = a / c;
+var r2a3 = a / c;//ok 
 var r2a4 = a / d;
 var r2a5 = a / e;
 var r2a6 = a / f;
@@ -659,9 +659,9 @@ var r2b3 = b / c;
 var r2b4 = b / d;
 var r2b5 = b / e;
 var r2b6 = b / f;
-var r2c1 = c / a;
+var r2c1 = c / a;//ok 
 var r2c2 = c / b;
-var r2c3 = c / c;
+var r2c3 = c / c;//ok 
 var r2c4 = c / d;
 var r2c5 = c / e;
 var r2c6 = c / f;
@@ -683,22 +683,22 @@ var r2f3 = f / c;
 var r2f4 = f / d;
 var r2f5 = f / e;
 var r2f6 = f / f;
-var r2g1 = 0 /* a */ / a;
+var r2g1 = 0 /* a */ / a;//ok 
 var r2g2 = 0 /* a */ / b;
-var r2g3 = 0 /* a */ / c;
+var r2g3 = 0 /* a */ / c;//ok 
 var r2g4 = 0 /* a */ / d;
 var r2g5 = 0 /* a */ / e;
 var r2g6 = 0 /* a */ / f;
-var r2h1 = a / 1 /* b */;
+var r2h1 = a / 1 /* b */;//ok 
 var r2h2 = b / 1 /* b */;
-var r2h3 = c / 1 /* b */;
+var r2h3 = c / 1 /* b */;//ok 
 var r2h4 = d / 1 /* b */;
 var r2h5 = e / 1 /* b */;
 var r2h6 = f / 1 /* b */;
 // operator %
-var r3a1 = a % a;
+var r3a1 = a % a;//ok 
 var r3a2 = a % b;
-var r3a3 = a % c;
+var r3a3 = a % c;//ok 
 var r3a4 = a % d;
 var r3a5 = a % e;
 var r3a6 = a % f;
@@ -708,9 +708,9 @@ var r3b3 = b % c;
 var r3b4 = b % d;
 var r3b5 = b % e;
 var r3b6 = b % f;
-var r3c1 = c % a;
+var r3c1 = c % a;//ok 
 var r3c2 = c % b;
-var r3c3 = c % c;
+var r3c3 = c % c;//ok 
 var r3c4 = c % d;
 var r3c5 = c % e;
 var r3c6 = c % f;
@@ -732,22 +732,22 @@ var r3f3 = f % c;
 var r3f4 = f % d;
 var r3f5 = f % e;
 var r3f6 = f % f;
-var r3g1 = 0 /* a */ % a;
+var r3g1 = 0 /* a */ % a;//ok 
 var r3g2 = 0 /* a */ % b;
-var r3g3 = 0 /* a */ % c;
+var r3g3 = 0 /* a */ % c;//ok 
 var r3g4 = 0 /* a */ % d;
 var r3g5 = 0 /* a */ % e;
 var r3g6 = 0 /* a */ % f;
-var r3h1 = a % 1 /* b */;
+var r3h1 = a % 1 /* b */;//ok 
 var r3h2 = b % 1 /* b */;
-var r3h3 = c % 1 /* b */;
+var r3h3 = c % 1 /* b */;//ok 
 var r3h4 = d % 1 /* b */;
 var r3h5 = e % 1 /* b */;
 var r3h6 = f % 1 /* b */;
 // operator -
-var r4a1 = a - a;
+var r4a1 = a - a;//ok 
 var r4a2 = a - b;
-var r4a3 = a - c;
+var r4a3 = a - c;//ok 
 var r4a4 = a - d;
 var r4a5 = a - e;
 var r4a6 = a - f;
@@ -757,9 +757,9 @@ var r4b3 = b - c;
 var r4b4 = b - d;
 var r4b5 = b - e;
 var r4b6 = b - f;
-var r4c1 = c - a;
+var r4c1 = c - a;//ok 
 var r4c2 = c - b;
-var r4c3 = c - c;
+var r4c3 = c - c;//ok 
 var r4c4 = c - d;
 var r4c5 = c - e;
 var r4c6 = c - f;
@@ -781,22 +781,22 @@ var r4f3 = f - c;
 var r4f4 = f - d;
 var r4f5 = f - e;
 var r4f6 = f - f;
-var r4g1 = 0 /* a */ - a;
+var r4g1 = 0 /* a */ - a;//ok 
 var r4g2 = 0 /* a */ - b;
-var r4g3 = 0 /* a */ - c;
+var r4g3 = 0 /* a */ - c;//ok 
 var r4g4 = 0 /* a */ - d;
 var r4g5 = 0 /* a */ - e;
 var r4g6 = 0 /* a */ - f;
-var r4h1 = a - 1 /* b */;
+var r4h1 = a - 1 /* b */;//ok 
 var r4h2 = b - 1 /* b */;
-var r4h3 = c - 1 /* b */;
+var r4h3 = c - 1 /* b */;//ok 
 var r4h4 = d - 1 /* b */;
 var r4h5 = e - 1 /* b */;
 var r4h6 = f - 1 /* b */;
 // operator <<
-var r5a1 = a << a;
+var r5a1 = a << a;//ok 
 var r5a2 = a << b;
-var r5a3 = a << c;
+var r5a3 = a << c;//ok 
 var r5a4 = a << d;
 var r5a5 = a << e;
 var r5a6 = a << f;
@@ -806,9 +806,9 @@ var r5b3 = b << c;
 var r5b4 = b << d;
 var r5b5 = b << e;
 var r5b6 = b << f;
-var r5c1 = c << a;
+var r5c1 = c << a;//ok 
 var r5c2 = c << b;
-var r5c3 = c << c;
+var r5c3 = c << c;//ok 
 var r5c4 = c << d;
 var r5c5 = c << e;
 var r5c6 = c << f;
@@ -830,22 +830,22 @@ var r5f3 = f << c;
 var r5f4 = f << d;
 var r5f5 = f << e;
 var r5f6 = f << f;
-var r5g1 = 0 /* a */ << a;
+var r5g1 = 0 /* a */ << a;//ok 
 var r5g2 = 0 /* a */ << b;
-var r5g3 = 0 /* a */ << c;
+var r5g3 = 0 /* a */ << c;//ok 
 var r5g4 = 0 /* a */ << d;
 var r5g5 = 0 /* a */ << e;
 var r5g6 = 0 /* a */ << f;
-var r5h1 = a << 1 /* b */;
+var r5h1 = a << 1 /* b */;//ok 
 var r5h2 = b << 1 /* b */;
-var r5h3 = c << 1 /* b */;
+var r5h3 = c << 1 /* b */;//ok 
 var r5h4 = d << 1 /* b */;
 var r5h5 = e << 1 /* b */;
 var r5h6 = f << 1 /* b */;
 // operator >>
-var r6a1 = a >> a;
+var r6a1 = a >> a;//ok 
 var r6a2 = a >> b;
-var r6a3 = a >> c;
+var r6a3 = a >> c;//ok 
 var r6a4 = a >> d;
 var r6a5 = a >> e;
 var r6a6 = a >> f;
@@ -855,9 +855,9 @@ var r6b3 = b >> c;
 var r6b4 = b >> d;
 var r6b5 = b >> e;
 var r6b6 = b >> f;
-var r6c1 = c >> a;
+var r6c1 = c >> a;//ok 
 var r6c2 = c >> b;
-var r6c3 = c >> c;
+var r6c3 = c >> c;//ok 
 var r6c4 = c >> d;
 var r6c5 = c >> e;
 var r6c6 = c >> f;
@@ -879,22 +879,22 @@ var r6f3 = f >> c;
 var r6f4 = f >> d;
 var r6f5 = f >> e;
 var r6f6 = f >> f;
-var r6g1 = 0 /* a */ >> a;
+var r6g1 = 0 /* a */ >> a;//ok 
 var r6g2 = 0 /* a */ >> b;
-var r6g3 = 0 /* a */ >> c;
+var r6g3 = 0 /* a */ >> c;//ok 
 var r6g4 = 0 /* a */ >> d;
 var r6g5 = 0 /* a */ >> e;
 var r6g6 = 0 /* a */ >> f;
-var r6h1 = a >> 1 /* b */;
+var r6h1 = a >> 1 /* b */;//ok 
 var r6h2 = b >> 1 /* b */;
-var r6h3 = c >> 1 /* b */;
+var r6h3 = c >> 1 /* b */;//ok 
 var r6h4 = d >> 1 /* b */;
 var r6h5 = e >> 1 /* b */;
 var r6h6 = f >> 1 /* b */;
 // operator >>>
-var r7a1 = a >>> a;
+var r7a1 = a >>> a;//ok 
 var r7a2 = a >>> b;
-var r7a3 = a >>> c;
+var r7a3 = a >>> c;//ok 
 var r7a4 = a >>> d;
 var r7a5 = a >>> e;
 var r7a6 = a >>> f;
@@ -904,9 +904,9 @@ var r7b3 = b >>> c;
 var r7b4 = b >>> d;
 var r7b5 = b >>> e;
 var r7b6 = b >>> f;
-var r7c1 = c >>> a;
+var r7c1 = c >>> a;//ok 
 var r7c2 = c >>> b;
-var r7c3 = c >>> c;
+var r7c3 = c >>> c;//ok 
 var r7c4 = c >>> d;
 var r7c5 = c >>> e;
 var r7c6 = c >>> f;
@@ -928,22 +928,22 @@ var r7f3 = f >>> c;
 var r7f4 = f >>> d;
 var r7f5 = f >>> e;
 var r7f6 = f >>> f;
-var r7g1 = 0 /* a */ >>> a;
+var r7g1 = 0 /* a */ >>> a;//ok 
 var r7g2 = 0 /* a */ >>> b;
-var r7g3 = 0 /* a */ >>> c;
+var r7g3 = 0 /* a */ >>> c;//ok 
 var r7g4 = 0 /* a */ >>> d;
 var r7g5 = 0 /* a */ >>> e;
 var r7g6 = 0 /* a */ >>> f;
-var r7h1 = a >>> 1 /* b */;
+var r7h1 = a >>> 1 /* b */;//ok 
 var r7h2 = b >>> 1 /* b */;
-var r7h3 = c >>> 1 /* b */;
+var r7h3 = c >>> 1 /* b */;//ok 
 var r7h4 = d >>> 1 /* b */;
 var r7h5 = e >>> 1 /* b */;
 var r7h6 = f >>> 1 /* b */;
 // operator &
-var r8a1 = a & a;
+var r8a1 = a & a;//ok 
 var r8a2 = a & b;
-var r8a3 = a & c;
+var r8a3 = a & c;//ok 
 var r8a4 = a & d;
 var r8a5 = a & e;
 var r8a6 = a & f;
@@ -953,9 +953,9 @@ var r8b3 = b & c;
 var r8b4 = b & d;
 var r8b5 = b & e;
 var r8b6 = b & f;
-var r8c1 = c & a;
+var r8c1 = c & a;//ok 
 var r8c2 = c & b;
-var r8c3 = c & c;
+var r8c3 = c & c;//ok 
 var r8c4 = c & d;
 var r8c5 = c & e;
 var r8c6 = c & f;
@@ -977,22 +977,22 @@ var r8f3 = f & c;
 var r8f4 = f & d;
 var r8f5 = f & e;
 var r8f6 = f & f;
-var r8g1 = 0 /* a */ & a;
+var r8g1 = 0 /* a */ & a;//ok 
 var r8g2 = 0 /* a */ & b;
-var r8g3 = 0 /* a */ & c;
+var r8g3 = 0 /* a */ & c;//ok 
 var r8g4 = 0 /* a */ & d;
 var r8g5 = 0 /* a */ & e;
 var r8g6 = 0 /* a */ & f;
-var r8h1 = a & 1 /* b */;
+var r8h1 = a & 1 /* b */;//ok 
 var r8h2 = b & 1 /* b */;
-var r8h3 = c & 1 /* b */;
+var r8h3 = c & 1 /* b */;//ok 
 var r8h4 = d & 1 /* b */;
 var r8h5 = e & 1 /* b */;
 var r8h6 = f & 1 /* b */;
 // operator ^
-var r9a1 = a ^ a;
+var r9a1 = a ^ a;//ok 
 var r9a2 = a ^ b;
-var r9a3 = a ^ c;
+var r9a3 = a ^ c;//ok 
 var r9a4 = a ^ d;
 var r9a5 = a ^ e;
 var r9a6 = a ^ f;
@@ -1002,9 +1002,9 @@ var r9b3 = b ^ c;
 var r9b4 = b ^ d;
 var r9b5 = b ^ e;
 var r9b6 = b ^ f;
-var r9c1 = c ^ a;
+var r9c1 = c ^ a;//ok 
 var r9c2 = c ^ b;
-var r9c3 = c ^ c;
+var r9c3 = c ^ c;//ok 
 var r9c4 = c ^ d;
 var r9c5 = c ^ e;
 var r9c6 = c ^ f;
@@ -1026,22 +1026,22 @@ var r9f3 = f ^ c;
 var r9f4 = f ^ d;
 var r9f5 = f ^ e;
 var r9f6 = f ^ f;
-var r9g1 = 0 /* a */ ^ a;
+var r9g1 = 0 /* a */ ^ a;//ok 
 var r9g2 = 0 /* a */ ^ b;
-var r9g3 = 0 /* a */ ^ c;
+var r9g3 = 0 /* a */ ^ c;//ok 
 var r9g4 = 0 /* a */ ^ d;
 var r9g5 = 0 /* a */ ^ e;
 var r9g6 = 0 /* a */ ^ f;
-var r9h1 = a ^ 1 /* b */;
+var r9h1 = a ^ 1 /* b */;//ok 
 var r9h2 = b ^ 1 /* b */;
-var r9h3 = c ^ 1 /* b */;
+var r9h3 = c ^ 1 /* b */;//ok 
 var r9h4 = d ^ 1 /* b */;
 var r9h5 = e ^ 1 /* b */;
 var r9h6 = f ^ 1 /* b */;
 // operator |
-var r10a1 = a | a;
+var r10a1 = a | a;//ok 
 var r10a2 = a | b;
-var r10a3 = a | c;
+var r10a3 = a | c;//ok 
 var r10a4 = a | d;
 var r10a5 = a | e;
 var r10a6 = a | f;
@@ -1051,9 +1051,9 @@ var r10b3 = b | c;
 var r10b4 = b | d;
 var r10b5 = b | e;
 var r10b6 = b | f;
-var r10c1 = c | a;
+var r10c1 = c | a;//ok 
 var r10c2 = c | b;
-var r10c3 = c | c;
+var r10c3 = c | c;//ok 
 var r10c4 = c | d;
 var r10c5 = c | e;
 var r10c6 = c | f;
@@ -1075,15 +1075,15 @@ var r10f3 = f | c;
 var r10f4 = f | d;
 var r10f5 = f | e;
 var r10f6 = f | f;
-var r10g1 = 0 /* a */ | a;
+var r10g1 = 0 /* a */ | a;//ok 
 var r10g2 = 0 /* a */ | b;
-var r10g3 = 0 /* a */ | c;
+var r10g3 = 0 /* a */ | c;//ok 
 var r10g4 = 0 /* a */ | d;
 var r10g5 = 0 /* a */ | e;
 var r10g6 = 0 /* a */ | f;
-var r10h1 = a | 1 /* b */;
+var r10h1 = a | 1 /* b */;//ok 
 var r10h2 = b | 1 /* b */;
-var r10h3 = c | 1 /* b */;
+var r10h3 = c | 1 /* b */;//ok 
 var r10h4 = d | 1 /* b */;
 var r10h5 = e | 1 /* b */;
 var r10h6 = f | 1 /* b */;

tests/baselines/reference/arrayAssignmentTest1.js

@@ -149,10 +149,10 @@ var arr_i1_2 = [];
 var arr_c1_2 = [];
 var arr_c2_2 = [];
 var arr_c3 = [];
-var i1_error = [];
-var c1_error = [];
-var c2_error = [];
-var c3_error = [];
+var i1_error = [];// should be an error - is 
+var c1_error = [];// should be an error - is 
+var c2_error = [];// should be an error - is 
+var c3_error = [];// should be an error - is 
 arr_any = arr_i1;
 arr_any = arr_c1;
 arr_any = arr_c2;

tests/baselines/reference/arrayAssignmentTest2.js

@@ -129,7 +129,7 @@ arr_c3 = arr_i1_2;
 arr_any = f1;
 arr_any = function () {
     return null;
-};
+}// should be an error - is ;
 arr_any = o1;
 arr_any = a1;
 arr_any = c1;

tests/baselines/reference/arrayAssignmentTest4.js

@@ -51,5 +51,5 @@ var o1 = { one: 1 };
 var arr_any = [];
 arr_any = function () {
     return null;
-};
+}// should be an error - is ;
 arr_any = c3;

tests/baselines/reference/arrayAugment.js

@@ -11,4 +11,4 @@ var y: string[][]; // Expect no error here
 //// [arrayAugment.js]
 var x = [''];
 var y = x.split(4);
-var y;
+var y;// Expect no error here 

tests/baselines/reference/arrayLiteralAndArrayConstructorEquivalence1.js

@@ -16,7 +16,7 @@ myCars3 = myCars5;
 //// [arrayLiteralAndArrayConstructorEquivalence1.js]
 var myCars = new Array();
 var myCars3 = new Array({});
-var myCars4;
+var myCars4;// error 
 var myCars5;
 myCars = myCars3;
 myCars = myCars4;

tests/baselines/reference/arrayLiteralWidened.js

@@ -16,11 +16,11 @@ var c = [[[null]],[undefined]]
 
 //// [arrayLiteralWidened.js]
 // array literals are widened upon assignment according to their element type
-var a = [];
+var a = [];// any[] 
 var a = [null, null];
 var a = [undefined, undefined];
-var b = [[], [null, null]];
+var b = [[], [null, null]];// any[][] 
 var b = [[], []];
 var b = [[undefined, undefined]];
-var c = [[[]]];
+var c = [[[]]];// any[][][] 
 var c = [[[null]], [undefined]];

tests/baselines/reference/arrayLiteralWithMultipleBestCommonTypes.js

@@ -20,10 +20,10 @@ var gs = [(b: { x: number; z?: number }) => 2, (a: { x: number; y?: number }) =>
 var a;
 var b;
 var c;
-var as = [a, b];
-var bs = [b, a];
-var cs = [a, b, c];
-var ds = [function (x) { return 1; }, function (x) { return 2; }];
-var es = [function (x) { return 2; }, function (x) { return 1; }];
-var fs = [function (a) { return 1; }, function (b) { return 2; }];
-var gs = [function (b) { return 2; }, function (a) { return 1; }];
+var as = [a, b];// { x: number; y?: number };[] 
+var bs = [b, a];// { x: number; z?: number };[] 
+var cs = [a, b, c];// { x: number; y?: number };[] 
+var ds = [function (x) { return 1; }, function (x) { return 2; }];// { (x:Object) => number }[] 
+var es = [function (x) { return 2; }, function (x) { return 1; }];// { (x:string) => number }[] 
+var fs = [function (a) { return 1; }, function (b) { return 2; }];// (a: { x: number; y?: number }) => number[] 
+var gs = [function (b) { return 2; }, function (a) { return 1; }];// (b: { x: number; z?: number }) => number[] 

tests/baselines/reference/arrayLiterals.js

@@ -53,9 +53,9 @@ var __extends = this.__extends || function (d, b) {
 };
 // Empty array literal with no contextual type has type Undefined[]
 var arr1 = [[], [1], ['']];
-var arr1;
+var arr1;// Bug 825172: Error ({}[] does not match {}[]), but should be OK 
 var arr2 = [[null], [1], ['']];
-var arr2;
+var arr2;// Bug 825172: Error ({}[] does not match {}[]), but should be OK 
 // Array literal with elements of only EveryType E has type E[]
 var stringArrArr = [[''], [""]];
 var stringArrArr;
@@ -71,13 +71,13 @@ var C = (function () {
     return C;
 })();
 var classArr = [new C(), new C()];
-var classArr;
+var classArr;// Should be OK 
 var classTypeArray = [C, C, C];
-var classTypeArray;
+var classTypeArray;// Should OK, not be a parse error 
 // Contextual type C with numeric index signature makes array literal of EveryType E of type BCT(E,C)[]
 var context1 = [{ a: '', b: 0, c: '' }, { a: "", b: 3, c: 0 }];
 var context2 = [{ a: '', b: 0, c: '' }, { a: "", b: 3, c: 0 }];
-var context2;
+var context2;// Should be OK 
 // Contextual type C with numeric index signature of type Base makes array literal of Derived have type Base[]
 var Base = (function () {
     function Base() {

tests/baselines/reference/arrayLiteralsWithRecursiveGenerics.js

@@ -52,8 +52,8 @@ var MyList = (function () {
 var list;
 var list2;
 var myList;
-var xs = [list, myList];
-var ys = [list, list2];
-var zs = [list, null];
+var xs = [list, myList];// {}[] 
+var ys = [list, list2];// {}[] 
+var zs = [list, null];// List<number>[] 
 var myDerivedList;
-var as = [list, myDerivedList];
+var as = [list, myDerivedList];// List<number>[] 

tests/baselines/reference/arrayOfFunctionTypes3.js

@@ -43,11 +43,11 @@ var b;
 var c;
 var z = [a, b, c];
 var r4 = z[0];
-var r5 = r4('');
+var r5 = r4('');// any not string 
 var r5b = r4(1);
 var a2;
 var b2;
 var c2;
 var z2 = [a2, b2, c2];
 var r6 = z2[0];
-var r7 = r6('');
+var r7 = r6('');// any not string 

tests/baselines/reference/arrayTypeOfFunctionTypes.js

@@ -25,8 +25,8 @@ var r2b = new r();
 var x2;
 var r3 = x2[1];
 var r4 = r3();
-var r4b = new r3();
+var r4b = new r3();// error 
 var x3;
 var r5 = x2[1];
 var r6 = r5();
-var r6b = new r5();
+var r6b = new r5();// error 

tests/baselines/reference/arrowFunctionContexts.js

@@ -123,14 +123,14 @@ var Derived = (function (_super) {
 window.setTimeout(function () { return null; }, 100);
 // Arrow function as value in array literal
 var obj = function (n) { return ''; };
-var obj;
+var obj;// OK 
 var arr = [function (n) { return ''; }];
-var arr;
+var arr;// Incorrect error here (bug 829597) 
 // Arrow function as enum value
 var E;
 (function (E) {
     E[E["x"] = function () { return 4; }] = "x";
-    E[E["y"] = (function () { return _this; }).length] = "y";
+    E[E["y"] = (function () { return _this; }).length] = "y";// error, can't use this in enum 
 })(E || (E = {}));
 // Arrow function as module variable initializer
 var M;
@@ -161,9 +161,9 @@ var M2;
     window.setTimeout(function () { return null; }, 100);
     // Arrow function as value in array literal
     var obj = function (n) { return ''; };
-    var obj;
+    var obj;// OK 
     var arr = [function (n) { return ''; }];
-    var arr;
+    var arr;// Incorrect error here (bug 829597) 
     // Arrow function as enum value
     var E;
     (function (E) {
@@ -179,7 +179,7 @@ var M2;
 })(M2 || (M2 = {}));
 // <Identifier>(ParamList) => { ... } is a generic arrow function
 var generic1 = function (n) { return [n]; };
-var generic1;
+var generic1;// Incorrect error, Bug 829597 
 var generic2 = function (n) {
     return [n];
 };

tests/baselines/reference/arrowFunctionInConstructorArgument1.js

@@ -13,4 +13,4 @@ var C = (function () {
 })();
 var c = new C(function () {
     return asdf;
-});
+})// should error ;// should error 

tests/baselines/reference/assignmentCompatBug2.js

@@ -39,7 +39,7 @@ b3 = {
 }; // error
 
 //// [assignmentCompatBug2.js]
-var b2 = { a: 0 };
+var b2 = { a: 0 };// error 
 b2 = { a: 0 };
 b2 = { b: 0, a: 0 };
 var b3;

tests/baselines/reference/assignmentCompatWithCallSignatures3.js

@@ -199,7 +199,7 @@ b15 = a15;
 var b16;
 a16 = b16;
 b16 = a16;
-var b17;
+var b17;// ok 
 a17 = b17;
 b17 = a17;
 var b18;

tests/baselines/reference/assignmentCompatWithCallSignaturesWithOptionalParameters.js

@@ -72,7 +72,7 @@ var a5: (x?: number, y?: number) => number;
 //// [assignmentCompatWithCallSignaturesWithOptionalParameters.js]
 var b;
 var a;
-a = function () { return 1; };
+a = function () { return 1; }// ok, same number of required params ;
 a = function (x) { return 1; };
 a = function (x) { return 1; };
 a = b.a;

tests/baselines/reference/assignmentCompatWithCallSignaturesWithRestParameters.js

@@ -46,7 +46,7 @@ var a4: (x?: number, y?: string, ...z: number[]) => number;
     a4 = (x: number, ...args: string[]) => 1;  // error, rest params have type mismatch
 
 //// [assignmentCompatWithCallSignaturesWithRestParameters.js]
-var a;
+var a;// ok, same number of required params 
 a = function () { return 1; };
 a = function () {
     var args = [];

tests/baselines/reference/assignmentCompatWithConstructSignatures3.js

@@ -199,7 +199,7 @@ b15 = a15;
 var b16;
 a16 = b16;
 b16 = a16;
-var b17;
+var b17;// ok 
 a17 = b17;
 b17 = a17;
 var b18;

tests/baselines/reference/assignmentToObject.js

@@ -6,5 +6,5 @@ var c: Object = a;  // should be error
 
 //// [assignmentToObject.js]
 var a = { toString: 5 };
-var b = a;
-var c = a;
+var b = a;// ok 
+var c = a;// should be error 

tests/baselines/reference/assignmentToObjectAndFunction.js

@@ -30,20 +30,20 @@ module bad {
 var badFundule: Function = bad; // error
 
 //// [assignmentToObjectAndFunction.js]
-var errObj = { toString: 0 };
+var errObj = { toString: 0 };// Error, incompatible toString 
 var goodObj = {
     toString: function (x) {
         return "";
     }
-};
-var errFun = {};
+};// Ok, because toString is a subtype of Object's toString 
+var errFun = {};// Error for no call signature 
 function foo() {
 }
 var foo;
 (function (foo) {
     foo.boom = 0;
 })(foo || (foo = {}));
-var goodFundule = foo;
+var goodFundule = foo;// ok 
 function bar() {
 }
 var bar;
@@ -52,11 +52,11 @@ var bar;
     }
     bar.apply = apply;
 })(bar || (bar = {}));
-var goodFundule2 = bar;
+var goodFundule2 = bar;// ok 
 function bad() {
 }
 var bad;
 (function (bad) {
     bad.apply = 0;
 })(bad || (bad = {}));
-var badFundule = bad;
+var badFundule = bad;// error 

tests/baselines/reference/augmentedTypeAssignmentCompatIndexSignature.js

@@ -25,5 +25,5 @@ var v2: {
 var o = {};
 var f = function () {
 };
-var v1 = o;
-var v2 = f;
+var v1 = o;// Should be allowed 
+var v2 = f;// Should be allowed 

tests/baselines/reference/augmentedTypeBracketAccessIndexSignature.js

@@ -14,6 +14,6 @@ var a = {}[0]; // Should be Foo
 var b = (() => { })[0]; // Should be Bar
 
 //// [augmentedTypeBracketAccessIndexSignature.js]
-var a = {}[0];
+var a = {}[0];// Should be Foo 
 var b = (function () {
-})[0];
+})[0];// Should be Bar 

tests/baselines/reference/augmentedTypeBracketNamedPropertyAccess.js

@@ -17,7 +17,7 @@ var r4 = f['data']; // Should be number
 var o = {};
 var f = function () {
 };
-var r1 = o['data'];
-var r2 = o['functionData'];
-var r3 = f['functionData'];
-var r4 = f['data'];
+var r1 = o['data'];// Should be number 
+var r2 = o['functionData'];// Should be any (no property found) 
+var r3 = f['functionData'];// Should be string 
+var r4 = f['data'];// Should be number 

tests/baselines/reference/augmentedTypesClass.js

@@ -16,7 +16,7 @@ var c1 = (function () {
     };
     return c1;
 })();
-var c1 = 1;
+var c1 = 1;// error 
 //// class then enum
 var c4 = (function () {
     function c4() {
@@ -28,4 +28,4 @@ var c4 = (function () {
 var c4;
 (function (c4) {
     c4[c4["One"] = 0] = "One";
-})(c4 || (c4 = {}));
+})(c4 || (c4 = {}));// error 

tests/baselines/reference/augmentedTypesClass2a.js

@@ -14,6 +14,6 @@ var c2 = (function () {
     return c2;
 })();
 function c2() {
-}
+}// error 
 var c2 = function () {
 };

tests/baselines/reference/augmentedTypesClass3.js

@@ -32,7 +32,7 @@ var c5a = (function () {
 var c5a;
 (function (c5a) {
     var y = 2;
-})(c5a || (c5a = {}));
+})(c5a || (c5a = {}));// should be ok 
 var c5b = (function () {
     function c5b() {
     }
@@ -43,7 +43,7 @@ var c5b = (function () {
 var c5b;
 (function (c5b) {
     c5b.y = 2;
-})(c5b || (c5b = {}));
+})(c5b || (c5b = {}));// should be ok 
 //// class then import
 var c5c = (function () {
     function c5c() {

tests/baselines/reference/augmentedTypesClass4.js

@@ -19,4 +19,4 @@ var c3 = (function () {
     c3.prototype.bar = function () {
     };
     return c3;
-})();
+})();// error 

tests/baselines/reference/augmentedTypesEnum.js

@@ -41,20 +41,20 @@ var e1111;
 (function (e1111) {
     e1111[e1111["One"] = 0] = "One";
 })(e1111 || (e1111 = {}));
-var e1111 = 1;
+var e1111 = 1;// error 
 // enum then function
 var e2;
 (function (e2) {
     e2[e2["One"] = 0] = "One";
 })(e2 || (e2 = {}));
 function e2() {
-}
+}// error 
 var e3;
 (function (e3) {
     e3[e3["One"] = 0] = "One";
 })(e3 || (e3 = {}));
 var e3 = function () {
-};
+}// error // error ;// error 
 // enum then class
 var e4;
 (function (e4) {
@@ -66,7 +66,7 @@ var e4 = (function () {
     e4.prototype.foo = function () {
     };
     return e4;
-})();
+})();// error 
 // enum then enum
 var e5;
 (function (e5) {
@@ -83,7 +83,7 @@ var e5a;
 var e5a;
 (function (e5a) {
     e5a[e5a["One"] = 0] = "One";
-})(e5a || (e5a = {}));
+})(e5a || (e5a = {}));// error 
 // enum then internal module
 var e6;
 (function (e6) {
@@ -96,7 +96,7 @@ var e6a;
 var e6a;
 (function (e6a) {
     var y = 2;
-})(e6a || (e6a = {}));
+})(e6a || (e6a = {}));// should be error 
 var e6b;
 (function (e6b) {
     e6b[e6b["One"] = 0] = "One";
@@ -104,4 +104,4 @@ var e6b;
 var e6b;
 (function (e6b) {
     e6b.y = 2;
-})(e6b || (e6b = {}));
+})(e6b || (e6b = {}));// should be error 

tests/baselines/reference/augmentedTypesFunction.js

@@ -42,16 +42,16 @@ module y5c { export interface I { foo(): void } } // should be an error
 // function then var
 function y1() {
 }
-var y1 = 1;
+var y1 = 1;// error 
 // function then function
 function y2() {
 }
 function y2() {
-}
+}// error 
 function y2a() {
 }
 var y2a = function () {
-};
+}// error // error ;// error 
 // function then class
 function y3() {
 }
@@ -59,7 +59,7 @@ var y3 = (function () {
     function y3() {
     }
     return y3;
-})();
+})();// error 
 function y3a() {
 }
 var y3a = (function () {
@@ -68,14 +68,14 @@ var y3a = (function () {
     y3a.prototype.foo = function () {
     };
     return y3a;
-})();
+})();// error 
 // function then enum
 function y4() {
 }
 var y4;
 (function (y4) {
     y4[y4["One"] = 0] = "One";
-})(y4 || (y4 = {}));
+})(y4 || (y4 = {}));// error 
 // function then internal module
 function y5() {
 }
@@ -84,12 +84,12 @@ function y5a() {
 var y5a;
 (function (y5a) {
     var y = 2;
-})(y5a || (y5a = {}));
+})(y5a || (y5a = {}));// should be an error 
 function y5b() {
 }
 var y5b;
 (function (y5b) {
     y5b.y = 3;
-})(y5b || (y5b = {}));
+})(y5b || (y5b = {}));// should be an error 
 function y5c() {
 }

tests/baselines/reference/augmentedTypesModules.js

@@ -98,7 +98,7 @@ module m6 { export var y = 2; }
 
 
 //// [augmentedTypesModules.js]
-var m1 = 1;
+var m1 = 1;// Should be allowed 
 var m1a;
 (function (m1a) {
     var y = 2;
@@ -109,7 +109,7 @@ var m1b;
     m1b.y = 2;
 })(m1b || (m1b = {}));
 var m1b = 1;
-var m1c = 1;
+var m1c = 1;// Should be allowed 
 var m1d;
 (function (m1d) {
     var I = (function () {
@@ -121,7 +121,7 @@ var m1d;
     })();
     m1d.I = I;
 })(m1d || (m1d = {}));
-var m1d = 1;
+var m1d = 1;// error 
 function m2() {
 }
 ;
@@ -168,7 +168,7 @@ var m3 = (function () {
     function m3() {
     }
     return m3;
-})();
+})();// ok since the module is not instantiated 
 var m3a;
 (function (m3a) {
     var y = 2;
@@ -179,7 +179,7 @@ var m3a = (function () {
     m3a.prototype.foo = function () {
     };
     return m3a;
-})();
+})();// error, class isn't ambient or declared before the module 
 var m3b = (function () {
     function m3b() {
     }

tests/baselines/reference/augmentedTypesModules3.js

@@ -11,7 +11,7 @@ var m3 = (function () {
     function m3() {
     }
     return m3;
-})();
+})();// ok since the module is not instantiated 
 var m3a;
 (function (m3a) {
     var y = 2;
@@ -22,4 +22,4 @@ var m3a = (function () {
     m3a.prototype.foo = function () {
     };
     return m3a;
-})();
+})();// error, class isn't ambient or declared before the module 

tests/baselines/reference/augmentedTypesVar.js

@@ -43,17 +43,17 @@ var x1 = 2;
 // var then function
 var x2 = 1;
 function x2() {
-}
+}// should be an error 
 var x3 = 1;
 var x3 = function () {
-};
+}// should be an error // should be an error ;// should be an error 
 // var then class
 var x4 = 1;
 var x4 = (function () {
     function x4() {
     }
     return x4;
-})();
+})();// error 
 var x4a = 1;
 var x4a = (function () {
     function x4a() {
@@ -61,22 +61,22 @@ var x4a = (function () {
     x4a.prototype.foo = function () {
     };
     return x4a;
-})();
+})();// error 
 // var then enum
 var x5 = 1;
 var x5;
 (function (x5) {
     x5[x5["One"] = 0] = "One";
-})(x5 || (x5 = {}));
+})(x5 || (x5 = {}));// error 
 // var then module
 var x6 = 1;
 var x6a = 1;
 var x6a;
 (function (x6a) {
     var y = 2;
-})(x6a || (x6a = {}));
+})(x6a || (x6a = {}));// error since instantiated 
 var x6b = 1;
 var x6b;
 (function (x6b) {
     x6b.y = 2;
-})(x6b || (x6b = {}));
+})(x6b || (x6b = {}));// error 

tests/baselines/reference/autonumberingInEnums.js

@@ -14,5 +14,5 @@ var Foo;
 })(Foo || (Foo = {}));
 var Foo;
 (function (Foo) {
-    Foo[Foo["b"] = 0] = "b";
+    Foo[Foo["b"] = 0] = "b";// should work fine 
 })(Foo || (Foo = {}));

tests/baselines/reference/avoid.js

@@ -23,8 +23,8 @@ var N=new f();  // ok with void fn
 function f() {
     var x = 1;
 }
-var y = f();
-var why = f();
+var y = f();// error void fn 
+var why = f();// error void fn 
 var w;
 w = f();
 var C = (function () {
@@ -34,5 +34,5 @@ var C = (function () {
     };
     return C;
 })();
-var z = new C().g();
-var N = new f();
+var z = new C().g();// error void fn 
+var N = new f();// ok with void fn 

tests/baselines/reference/baseCheck.js

@@ -65,7 +65,7 @@ var D = (function (_super) {
         this.z = z;
     }
     return D;
-})(C);
+})(C);// too few params 
 var E = (function (_super) {
     __extends(E, _super);
     function E(z) {
@@ -81,7 +81,7 @@ var F = (function (_super) {
         this.z = z;
     }
     return F;
-})(C);
+})(C);// first param type 
 function f() {
     if (x < 10) {
         x = 11;

tests/baselines/reference/bestCommonTypeOfConditionalExpressions.js

@@ -61,18 +61,18 @@ var derived;
 var derived2;
 var r = true ? 1 : 2;
 var r3 = true ? 1 : {};
-var r4 = true ? a : b;
-var r5 = true ? b : a;
+var r4 = true ? a : b;// typeof a 
+var r5 = true ? b : a;// typeof b 
 var r6 = true ? function (x) {
 } : function (x) {
-};
+};// returns number => void 
 var r7 = true ? function (x) {
 } : function (x) {
 };
 var r8 = true ? function (x) {
 } : function (x) {
-};
-var r10 = true ? derived : derived2;
+};// returns Object => void 
+var r10 = true ? derived : derived2;// no error since we use the contextual type in BCT 
 var r11 = true ? base : derived2;
 function foo5(t, u) {
     return true ? t : u;

tests/baselines/reference/bestCommonTypeWithContextualTyping.js

@@ -25,7 +25,7 @@ var e;
 // All of these should pass. Neither type is a supertype of the other, but the RHS should
 // always use Ellement in these examples (not Contextual). Because Ellement is assignable
 // to Contextual, no errors.
-var arr = [e];
-var obj = { s: e };
-var conditional = null ? e : e;
-var contextualOr = e || e;
+var arr = [e];// Ellement[] 
+var obj = { s: e };// { s: Ellement; [s: string]: Ellement } 
+var conditional = null ? e : e;// Ellement 
+var contextualOr = e || e;// Ellement 

tests/baselines/reference/bind1.js

@@ -13,5 +13,5 @@ var M;
         }
         return C;
     })();
-    M.C = C;
+    M.C = C;// this should be an unresolved symbol I error 
 })(M || (M = {}));

tests/baselines/reference/callExpressionWithTypeParameterConstrainedToOuterTypeParameter.js

@@ -7,4 +7,4 @@ var y = i(""); // y should be string
 
 //// [callExpressionWithTypeParameterConstrainedToOuterTypeParameter.js]
 var i;
-var y = i("");
+var y = i("");// y should be string 

tests/baselines/reference/callOnInstance.js

@@ -11,6 +11,6 @@ declare class C { constructor(value: number); }
 (new C(1))(); // Error for calling an instance
 
 //// [callOnInstance.js]
-var s1 = D();
+var s1 = D();// OK 
 var s2 = (new D(1))();
 (new C(1))();

tests/baselines/reference/callOverloads2.js

@@ -38,7 +38,7 @@ function F1(s) {
 }
 function F1(a) {
     return a;
-}
+}// error -  duplicate identifier 
 var f1 = new Foo("hey");
 f1.bar1();
 Foo();

tests/baselines/reference/callSignatureWithoutAnnotationsOrBody.js

@@ -23,7 +23,7 @@ var r5 = a.f();
 // Call signatures without a return type annotation and function body return 'any'
 function foo(x) {
 }
-var r = foo(1);
+var r = foo(1);// void since there's a body 
 var i;
 var r2 = i();
 var r3 = i.f();

tests/baselines/reference/callSignaturesThatDifferOnlyByReturnType2.js

@@ -17,5 +17,5 @@ var r2 = x.foo(''); // error
 //// [callSignaturesThatDifferOnlyByReturnType2.js]
 var x;
 // BUG 822524
-var r = x.foo(1);
-var r2 = x.foo('');
+var r = x.foo(1);// no error 
+var r2 = x.foo('');// error 

tests/baselines/reference/callbacksDontShareTypes.js

@@ -27,7 +27,7 @@ var rf1 = function (x) {
 var r1a = _.map(c2, function (x) {
     return x.toFixed();
 });
-var r1b = _.map(c2, rf1);
+var r1b = _.map(c2, rf1);// this line should not cause the following 2 to have errors  
 var r5a = _.map(c2, function (x) {
     return x.toFixed();
 });

tests/baselines/reference/classAndVariableWithSameName.js

@@ -16,7 +16,7 @@ var C = (function () {
     }
     return C;
 })();
-var C = '';
+var C = '';// error 
 var M;
 (function (M) {
     var D = (function () {
@@ -24,5 +24,5 @@ var M;
         }
         return D;
     })();
-    var D = 1;
+    var D = 1;// error 
 })(M || (M = {}));

tests/baselines/reference/classExtendsItself.js

@@ -18,18 +18,18 @@ var C = (function (_super) {
         _super.apply(this, arguments);
     }
     return C;
-})(C);
+})(C);// error 
 var D = (function (_super) {
     __extends(D, _super);
     function D() {
         _super.apply(this, arguments);
     }
     return D;
-})(D);
+})(D);// error 
 var E = (function (_super) {
     __extends(E, _super);
     function E() {
         _super.apply(this, arguments);
     }
     return E;
-})(E);
+})(E);// error 

tests/baselines/reference/classExtendsItselfIndirectly.js

@@ -24,7 +24,7 @@ var C = (function (_super) {
         _super.apply(this, arguments);
     }
     return C;
-})(E);
+})(E);// error 
 var D = (function (_super) {
     __extends(D, _super);
     function D() {
@@ -45,7 +45,7 @@ var C2 = (function (_super) {
         _super.apply(this, arguments);
     }
     return C2;
-})(E2);
+})(E2);// error 
 var D2 = (function (_super) {
     __extends(D2, _super);
     function D2() {

tests/baselines/reference/classExtendsItselfIndirectly2.js

@@ -35,7 +35,7 @@ var C = (function (_super) {
         _super.apply(this, arguments);
     }
     return C;
-})(N.E);
+})(N.E);// error 
 var M;
 (function (M) {
     var D = (function (_super) {
@@ -66,7 +66,7 @@ var O;
             _super.apply(this, arguments);
         }
         return C2;
-    })(Q.E2);
+    })(Q.E2);// error 
     var P;
     (function (P) {
         var D2 = (function (_super) {

tests/baselines/reference/classExtendsItselfIndirectly3.js

@@ -31,7 +31,7 @@ var C = (function (_super) {
         _super.apply(this, arguments);
     }
     return C;
-})(E);
+})(E);// error 
 //// [classExtendsItselfIndirectly_file2.js]
 var __extends = this.__extends || function (d, b) {
     for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
@@ -73,7 +73,7 @@ var C2 = (function (_super) {
         _super.apply(this, arguments);
     }
     return C2;
-})(E2);
+})(E2);// error 
 //// [classExtendsItselfIndirectly_file5.js]
 var __extends = this.__extends || function (d, b) {
     for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];

tests/baselines/reference/classExtendsValidConstructorFunction.js

@@ -14,11 +14,11 @@ var __extends = this.__extends || function (d, b) {
 };
 function foo() {
 }
-var x = new foo();
+var x = new foo();// can be used as a constructor function 
 var C = (function (_super) {
     __extends(C, _super);
     function C() {
         _super.apply(this, arguments);
     }
     return C;
-})(foo);
+})(foo);// error, cannot extend it though 

tests/baselines/reference/classImplementsClass2.js

@@ -32,7 +32,7 @@ var C = (function () {
     function C() {
     }
     return C;
-})();
+})();// error 
 var C2 = (function (_super) {
     __extends(C2, _super);
     function C2() {

tests/baselines/reference/classMemberInitializerScoping.js

@@ -27,7 +27,7 @@ var CCC = (function () {
         this.y = aaa;
         this.y = '';
     }
-    CCC.staticY = aaa;
+    CCC.staticY = aaa;// This shouldnt be error 
     return CCC;
 })();
 // above is equivalent to this:

tests/baselines/reference/classSideInheritance3.js

@@ -46,6 +46,6 @@ var C = (function (_super) {
     }
     return C;
 })(A);
-var r1 = B;
-var r2 = B;
-var r3 = C;
+var r1 = B;// error 
+var r2 = B;// error 
+var r3 = C;// ok 

tests/baselines/reference/classWithBaseClassButNoConstructor.js

@@ -60,8 +60,8 @@ var C = (function (_super) {
     return C;
 })(Base);
 var r = C;
-var c = new C();
-var c2 = new C(1);
+var c = new C();// error 
+var c2 = new C(1);// ok 
 var Base2 = (function () {
     function Base2(x) {
     }
@@ -75,8 +75,8 @@ var D = (function (_super) {
     return D;
 })(Base2);
 var r2 = D;
-var d = new D();
-var d2 = new D(1);
+var d = new D();// error 
+var d2 = new D(1);// ok 
 // specialized base class
 var D2 = (function (_super) {
     __extends(D2, _super);
@@ -86,8 +86,8 @@ var D2 = (function (_super) {
     return D2;
 })(Base2);
 var r3 = D2;
-var d3 = new D();
-var d4 = new D(1);
+var d3 = new D();// error 
+var d4 = new D(1);// ok 
 var D3 = (function (_super) {
     __extends(D3, _super);
     function D3() {
@@ -96,5 +96,5 @@ var D3 = (function (_super) {
     return D3;
 })(Base2);
 var r4 = D3;
-var d5 = new D();
-var d6 = new D(1);
+var d5 = new D();// error 
+var d6 = new D(1);// ok 

tests/baselines/reference/classWithConstructors.js

@@ -63,16 +63,16 @@ var NonGeneric;
         }
         return C;
     })();
-    var c = new C();
-    var c2 = new C('');
+    var c = new C();// error 
+    var c2 = new C('');// ok 
     var C2 = (function () {
         function C2(x) {
         }
         return C2;
     })();
-    var c3 = new C2();
-    var c4 = new C2('');
-    var c5 = new C2(1);
+    var c3 = new C2();// error 
+    var c4 = new C2('');// ok 
+    var c5 = new C2(1);// ok 
     var D = (function (_super) {
         __extends(D, _super);
         function D() {
@@ -80,9 +80,9 @@ var NonGeneric;
         }
         return D;
     })(C2);
-    var d = new D();
-    var d2 = new D(1);
-    var d3 = new D('');
+    var d = new D();// error 
+    var d2 = new D(1);// ok 
+    var d3 = new D('');// ok 
 })(NonGeneric || (NonGeneric = {}));
 var Generics;
 (function (Generics) {
@@ -91,16 +91,16 @@ var Generics;
         }
         return C;
     })();
-    var c = new C();
-    var c2 = new C('');
+    var c = new C();// error 
+    var c2 = new C('');// ok 
     var C2 = (function () {
         function C2(x) {
         }
         return C2;
     })();
-    var c3 = new C2();
-    var c4 = new C2('');
-    var c5 = new C2(1, 2);
+    var c3 = new C2();// error 
+    var c4 = new C2('');// ok 
+    var c5 = new C2(1, 2);// ok 
     var D = (function (_super) {
         __extends(D, _super);
         function D() {
@@ -108,7 +108,7 @@ var Generics;
         }
         return D;
     })(C2);
-    var d = new D();
-    var d2 = new D(1);
-    var d3 = new D('');
+    var d = new D();// error 
+    var d2 = new D(1);// ok 
+    var d3 = new D('');// ok 
 })(Generics || (Generics = {}));

tests/baselines/reference/classWithoutExplicitConstructor.js

@@ -24,7 +24,7 @@ var C = (function () {
     return C;
 })();
 var c = new C();
-var c2 = new C(null);
+var c2 = new C(null);// error 
 var D = (function () {
     function D() {
         this.x = 2;
@@ -33,4 +33,4 @@ var D = (function () {
     return D;
 })();
 var d = new D();
-var d2 = new D(null);
+var d2 = new D(null);// error 

tests/baselines/reference/cloduleAcrossModuleDefinitions.js

@@ -36,4 +36,4 @@ var A;
     })(A.B || (A.B = {}));
     var B = A.B;
 })(A || (A = {}));
-var b;
+var b;// ok 

tests/baselines/reference/cloduleTest2.js

@@ -43,7 +43,7 @@ var T1;
     (function (m3d) {
         m3d.y = 2;
     })(m3d || (m3d = {}));
-    var r = new m3d();
+    var r = new m3d();// error 
 })(T1 || (T1 = {}));
 var T2;
 (function (T2) {
@@ -51,7 +51,7 @@ var T2;
     (function (m3d) {
         m3d.y = 2;
     })(m3d || (m3d = {}));
-    var r = new m3d();
+    var r = new m3d();// error 
 })(T2 || (T2 = {}));
 var T3;
 (function (T3) {
@@ -79,5 +79,5 @@ var m3d;
 (function (m3d) {
     m3d.y = 2;
 })(m3d || (m3d = {}));
-var r = new m3d();
-var r2 = new m4d();
+var r = new m3d();// error 
+var r2 = new m4d();// error 

tests/baselines/reference/collisionArgumentsArrowFunctions.js

@@ -22,25 +22,25 @@ var f1 = function (i) {
     for (var _i = 1; _i < arguments.length; _i++) {
         arguments[_i - 1] = arguments[_i];
     }
-    var arguments;
+    var arguments;// no error 
 };
 var f12 = function (arguments) {
     var rest = [];
     for (var _i = 1; _i < arguments.length; _i++) {
         rest[_i - 1] = arguments[_i];
     }
-    var arguments = 10;
+    var arguments = 10;// no error 
 };
 var f1NoError = function (arguments) {
-    var arguments = 10;
+    var arguments = 10;// no error 
 };
 var f2 = function () {
     var restParameters = [];
     for (var _i = 0; _i < arguments.length; _i++) {
         restParameters[_i - 0] = arguments[_i];
     }
-    var arguments = 10;
+    var arguments = 10;// No Error 
 };
 var f2NoError = function () {
-    var arguments = 10;
+    var arguments = 10;// no error 
 };

tests/baselines/reference/collisionArgumentsClassConstructor.js

@@ -94,7 +94,7 @@ var c1 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     }
     return c1;
 })();
@@ -104,13 +104,13 @@ var c12 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c12;
 })();
 var c1NoError = (function () {
     function c1NoError(arguments) {
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c1NoError;
 })();
@@ -120,13 +120,13 @@ var c2 = (function () {
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c2;
 })();
 var c2NoError = (function () {
     function c2NoError() {
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c2NoError;
 })();
@@ -137,14 +137,14 @@ var c3 = (function () {
             restParameters[_i - 1] = arguments[_i];
         }
         this.arguments = arguments;
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c3;
 })();
 var c3NoError = (function () {
     function c3NoError(arguments) {
         this.arguments = arguments;
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     return c3NoError;
 })();
@@ -154,7 +154,7 @@ var c5 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     }
     return c5;
 })();
@@ -164,13 +164,13 @@ var c52 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     }
     return c52;
 })();
 var c5NoError = (function () {
     function c5NoError(arguments) {
-        var arguments;
+        var arguments;// no error 
     }
     return c5NoError;
 })();

tests/baselines/reference/collisionArgumentsClassMethod.js

@@ -57,34 +57,34 @@ var c1 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     };
     c1.prototype.foo1 = function (arguments) {
         var rest = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     };
     c1.prototype.fooNoError = function (arguments) {
-        var arguments = 10;
+        var arguments = 10;// no error 
     };
     c1.prototype.f4 = function (i) {
         var arguments = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     };
     c1.prototype.f41 = function (arguments) {
         var rest = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     };
     c1.prototype.f4NoError = function (arguments) {
-        var arguments;
+        var arguments;// no error 
     };
     return c1;
 })();
@@ -96,10 +96,10 @@ var c3 = (function () {
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     };
     c3.prototype.fooNoError = function () {
-        var arguments = 10;
+        var arguments = 10;// no error 
     };
     return c3;
 })();

tests/baselines/reference/collisionArgumentsFunction.js

@@ -51,42 +51,42 @@ function f1(arguments) {
     for (var _i = 1; _i < arguments.length; _i++) {
         restParameters[_i - 1] = arguments[_i];
     }
-    var arguments = 10;
+    var arguments = 10;// no error 
 }
 function f12(i) {
     var arguments = [];
     for (var _i = 1; _i < arguments.length; _i++) {
         arguments[_i - 1] = arguments[_i];
     }
-    var arguments;
+    var arguments;// no error 
 }
 function f1NoError(arguments) {
-    var arguments = 10;
+    var arguments = 10;// no error 
 }
 function f3() {
     var restParameters = [];
     for (var _i = 0; _i < arguments.length; _i++) {
         restParameters[_i - 0] = arguments[_i];
     }
-    var arguments = 10;
+    var arguments = 10;// no error 
 }
 function f3NoError() {
-    var arguments = 10;
+    var arguments = 10;// no error 
 }
 function f4(arguments) {
     var rest = [];
     for (var _i = 1; _i < arguments.length; _i++) {
         rest[_i - 1] = arguments[_i];
     }
-    var arguments;
+    var arguments;// No error 
 }
 function f42(i) {
     var arguments = [];
     for (var _i = 1; _i < arguments.length; _i++) {
         arguments[_i - 1] = arguments[_i];
     }
-    var arguments;
+    var arguments;// No error 
 }
 function f4NoError(arguments) {
-    var arguments;
+    var arguments;// No error 
 }

tests/baselines/reference/collisionArgumentsFunctionExpressions.js

@@ -41,43 +41,43 @@ function foo() {
         for (var _i = 1; _i < arguments.length; _i++) {
             restParameters[_i - 1] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     function f12(i) {
         var arguments = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// no error 
     }
     function f1NoError(arguments) {
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     function f3() {
         var restParameters = [];
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     function f3NoError() {
-        var arguments = 10;
+        var arguments = 10;// no error 
     }
     function f4(arguments) {
         var rest = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// No error 
     }
     function f42(i) {
         var arguments = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             arguments[_i - 1] = arguments[_i];
         }
-        var arguments;
+        var arguments;// No error 
     }
     function f4NoError(arguments) {
-        var arguments;
+        var arguments;// No error 
     }
 }

tests/baselines/reference/collisionArgumentsInType.js

@@ -15,7 +15,7 @@ var v21: {
 }
 
 //// [collisionArgumentsInType.js]
-var v1;
-var v12;
+var v1;// no error - no code gen 
+var v12;// no error - no code gen 
 var v2;
 var v21;

tests/baselines/reference/collisionRestParameterArrowFunctions.js

@@ -19,18 +19,18 @@ var f1 = function (_i) {
     for (var _i = 1; _i < arguments.length; _i++) {
         restParameters[_i - 1] = arguments[_i];
     }
-    var _i = 10;
+    var _i = 10;// no error 
 };
 var f1NoError = function (_i) {
-    var _i = 10;
+    var _i = 10;// no error 
 };
 var f2 = function () {
     var restParameters = [];
     for (var _i = 0; _i < arguments.length; _i++) {
         restParameters[_i - 0] = arguments[_i];
     }
-    var _i = 10;
+    var _i = 10;// No Error 
 };
 var f2NoError = function () {
-    var _i = 10;
+    var _i = 10;// no error 
 };

tests/baselines/reference/collisionRestParameterClassConstructor.js

@@ -74,13 +74,13 @@ var c1 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             restParameters[_i - 1] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c1;
 })();
 var c1NoError = (function () {
     function c1NoError(_i) {
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c1NoError;
 })();
@@ -90,13 +90,13 @@ var c2 = (function () {
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c2;
 })();
 var c2NoError = (function () {
     function c2NoError() {
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c2NoError;
 })();
@@ -107,14 +107,14 @@ var c3 = (function () {
             restParameters[_i - 1] = arguments[_i];
         }
         this._i = _i;
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c3;
 })();
 var c3NoError = (function () {
     function c3NoError(_i) {
         this._i = _i;
-        var _i = 10;
+        var _i = 10;// no error 
     }
     return c3NoError;
 })();
@@ -124,13 +124,13 @@ var c5 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var _i;
+        var _i;// no error 
     }
     return c5;
 })();
 var c5NoError = (function () {
     function c5NoError(_i) {
-        var _i;
+        var _i;// no error 
     }
     return c5NoError;
 })();

tests/baselines/reference/collisionRestParameterClassMethod.js

@@ -47,20 +47,20 @@ var c1 = (function () {
         for (var _i = 1; _i < arguments.length; _i++) {
             restParameters[_i - 1] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     };
     c1.prototype.fooNoError = function (_i) {
-        var _i = 10;
+        var _i = 10;// no error 
     };
     c1.prototype.f4 = function (_i) {
         var rest = [];
         for (var _i = 1; _i < arguments.length; _i++) {
             rest[_i - 1] = arguments[_i];
         }
-        var _i;
+        var _i;// no error 
     };
     c1.prototype.f4NoError = function (_i) {
-        var _i;
+        var _i;// no error 
     };
     return c1;
 })();
@@ -72,10 +72,10 @@ var c3 = (function () {
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     };
     c3.prototype.fooNoError = function () {
-        var _i = 10;
+        var _i = 10;// no error 
     };
     return c3;
 })();

tests/baselines/reference/collisionRestParameterFunction.js

@@ -40,20 +40,20 @@ function f1(_i) {
     for (var _i = 1; _i < arguments.length; _i++) {
         restParameters[_i - 1] = arguments[_i];
     }
-    var _i = 10;
+    var _i = 10;// no error 
 }
 function f1NoError(_i) {
-    var _i = 10;
+    var _i = 10;// no error 
 }
 function f3() {
     var restParameters = [];
     for (var _i = 0; _i < arguments.length; _i++) {
         restParameters[_i - 0] = arguments[_i];
     }
-    var _i = 10;
+    var _i = 10;// no error 
 }
 function f3NoError() {
-    var _i = 10;
+    var _i = 10;// no error 
 }
 function f4(_i) {
     var rest = [];

tests/baselines/reference/collisionRestParameterFunctionExpressions.js

@@ -31,20 +31,20 @@ function foo() {
         for (var _i = 1; _i < arguments.length; _i++) {
             restParameters[_i - 1] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     }
     function f1NoError(_i) {
-        var _i = 10;
+        var _i = 10;// no error 
     }
     function f3() {
         var restParameters = [];
         for (var _i = 0; _i < arguments.length; _i++) {
             restParameters[_i - 0] = arguments[_i];
         }
-        var _i = 10;
+        var _i = 10;// no error 
     }
     function f3NoError() {
-        var _i = 10;
+        var _i = 10;// no error 
     }
     function f4(_i) {
         var rest = [];

tests/baselines/reference/collisionRestParameterInType.js

@@ -8,5 +8,5 @@ var v2: {
 }
 
 //// [collisionRestParameterInType.js]
-var v1;
+var v1;// no error - no code gen 
 var v2;

tests/baselines/reference/collisionSuperAndLocalVarInConstructor.js

@@ -27,10 +27,10 @@ var __extends = this.__extends || function (d, b) {
     __.prototype = b.prototype;
     d.prototype = new __();
 };
-var _super = 10;
+var _super = 10;// No Error 
 var Foo = (function () {
     function Foo() {
-        var _super = 10;
+        var _super = 10;// No error 
     }
     return Foo;
 })();
@@ -38,7 +38,7 @@ var b = (function (_super) {
     __extends(b, _super);
     function b() {
         _super.call(this);
-        var _super = 10;
+        var _super = 10;// Should be error  
     }
     return b;
 })(Foo);
@@ -47,7 +47,7 @@ var c = (function (_super) {
     function c() {
         _super.call(this);
         var x = function () {
-            var _super = 10;
+            var _super = 10;// Should be error 
         };
     }
     return c;

tests/baselines/reference/collisionSuperAndLocalVarInMethod.js

@@ -25,12 +25,12 @@ var __extends = this.__extends || function (d, b) {
     __.prototype = b.prototype;
     d.prototype = new __();
 };
-var _super = 10;
+var _super = 10;// No Error 
 var Foo = (function () {
     function Foo() {
     }
     Foo.prototype.x = function () {
-        var _super = 10;
+        var _super = 10;// No error 
     };
     return Foo;
 })();
@@ -40,7 +40,7 @@ var b = (function (_super) {
         _super.apply(this, arguments);
     }
     b.prototype.foo = function () {
-        var _super = 10;
+        var _super = 10;// Should be error  
     };
     return b;
 })(Foo);
@@ -51,7 +51,7 @@ var c = (function (_super) {
     }
     c.prototype.foo = function () {
         var x = function () {
-            var _super = 10;
+            var _super = 10;// Should be error 
         };
     };
     return c;

tests/baselines/reference/collisionSuperAndLocalVarInProperty.js

@@ -24,15 +24,15 @@ var __extends = this.__extends || function (d, b) {
     __.prototype = b.prototype;
     d.prototype = new __();
 };
-var _super = 10;
+var _super = 10;// No Error 
 var Foo = (function () {
     function Foo() {
         this.prop1 = {
             doStuff: function () {
-                var _super = 10;
+                var _super = 10;// No error 
             }
         };
-        this._super = 10;
+        this._super = 10;// No error 
     }
     return Foo;
 })();
@@ -42,10 +42,10 @@ var b = (function (_super) {
         _super.apply(this, arguments);
         this.prop2 = {
             doStuff: function () {
-                var _super = 10;
+                var _super = 10;// Should be error  
             }
         };
-        this._super = 10;
+        this._super = 10;// No error 
     }
     return b;
 })(Foo);

tests/baselines/reference/collisionSuperAndNameResolution.js

@@ -19,7 +19,7 @@ var __extends = this.__extends || function (d, b) {
     d.prototype = new __();
 };
 var console;
-var _super = 10;
+var _super = 10;// No error 
 var base = (function () {
     function base() {
     }

tests/baselines/reference/collisionThisExpressionAndAliasInGlobal.js

@@ -12,4 +12,4 @@ var a;
     a.b = 10;
 })(a || (a = {}));
 var f = function () { return _this; };
-var _this = a;
+var _this = a;// Error 

tests/baselines/reference/collisionThisExpressionAndAmbientClassInGlobal.js

@@ -7,4 +7,4 @@ var a = new _this(); // Error
 //// [collisionThisExpressionAndAmbientClassInGlobal.js]
 var _this = this;
 var f = function () { return _this; };
-var a = new _this();
+var a = new _this();// Error 

tests/baselines/reference/collisionThisExpressionAndNameResolution.js

@@ -18,7 +18,7 @@ var Foo = (function () {
     function Foo() {
     }
     Foo.prototype.x = function () {
-        var _this = 10;
+        var _this = 10;// Local var. No this capture in x(), so no conflict. 
         function inner() {
             var _this = this;
             console.log(_this);

tests/baselines/reference/collisionThisExpressionAndParameter.js

@@ -98,7 +98,7 @@ var Foo = (function () {
     function Foo() {
     }
     Foo.prototype.x = function () {
-        var _this = 10;
+        var _this = 10;// Local var. No this capture in x(), so no conflict. 
         function inner(_this) {
             var _this = this;
             return function (x) { return _this; };
@@ -117,7 +117,7 @@ var Foo = (function () {
         };
     };
     Foo.prototype.x1 = function () {
-        var _this = 10;
+        var _this = 10;// Local var. No this capture in x(), so no conflict. 
         function inner(_this) {
         }
     };

tests/baselines/reference/commaOperatorOtherInvalidOperation.js

@@ -19,10 +19,10 @@ function foo1<T1, T2>() {
 function foo(x, y) {
     return x, y;
 }
-var resultIsString = foo(1, "123");
+var resultIsString = foo(1, "123");//error here 
 //TypeParameters
 function foo1() {
     var x;
     var y;
-    var result = (x, y);
+    var result = (x, y);//error here 
 }

tests/baselines/reference/commentsEnums.js

@@ -17,7 +17,7 @@ x = Colors.FancyPink;
 var Colors;
 (function (Colors) {
     /** Fancy name for 'blue'*/
-    Colors[Colors["Cornflower"] = 0] = "Cornflower";
+    Colors[Colors["Cornflower"] = 0] = "Cornflower";/* blue */ 
     /** Fancy name for 'pink'*/
     Colors[Colors["FancyPink"] = 1] = "FancyPink";
 })(Colors || (Colors = {}));