diff --git a/tests/baselines/reference/assignmentLHSIsValue.errors.txt b/tests/baselines/reference/assignmentLHSIsValue.errors.txt
index 2f65b368532..41931f584ee 100644
--- a/tests/baselines/reference/assignmentLHSIsValue.errors.txt
+++ b/tests/baselines/reference/assignmentLHSIsValue.errors.txt
@@ -19,7 +19,8 @@ tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(2
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(30,1): error TS2364: Invalid left-hand side of assignment expression.
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(31,1): error TS2364: Invalid left-hand side of assignment expression.
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(32,1): error TS2364: Invalid left-hand side of assignment expression.
-tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(38,1): error TS2364: Invalid left-hand side of assignment expression.
+tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(38,2): error TS2364: Invalid left-hand side of assignment expression.
+tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(38,6): error TS2364: Invalid left-hand side of assignment expression.
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(42,30): error TS2364: Invalid left-hand side of assignment expression.
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(44,13): error TS2364: Invalid left-hand side of assignment expression.
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(46,21): error TS2364: Invalid left-hand side of assignment expression.
@@ -40,7 +41,7 @@ tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(6
 tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(70,1): error TS2364: Invalid left-hand side of assignment expression.
 
 
-==== tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts (40 errors) ====
+==== tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts (41 errors) ====
     // expected error for all the LHS of assignments
     var value;
     
@@ -111,7 +112,9 @@ tests/cases/conformance/expressions/assignmentOperator/assignmentLHSIsValue.ts(7
     
     // array literals
     ['', ''] = value;
-    ~~~~~~~~
+     ~~
+!!! error TS2364: Invalid left-hand side of assignment expression.
+         ~~
 !!! error TS2364: Invalid left-hand side of assignment expression.
     
     // super
diff --git a/tests/baselines/reference/classExpression.errors.txt b/tests/baselines/reference/classExpression.errors.txt
index 5a2bc4fd179..970b09590b0 100644
--- a/tests/baselines/reference/classExpression.errors.txt
+++ b/tests/baselines/reference/classExpression.errors.txt
@@ -2,12 +2,13 @@ tests/cases/conformance/classes/classExpression.ts(1,9): error TS1109: Expressio
 tests/cases/conformance/classes/classExpression.ts(5,10): error TS1109: Expression expected.
 tests/cases/conformance/classes/classExpression.ts(5,16): error TS1005: ':' expected.
 tests/cases/conformance/classes/classExpression.ts(5,19): error TS1005: ',' expected.
+tests/cases/conformance/classes/classExpression.ts(5,19): error TS1165: A destructuring declaration must have an initializer.
 tests/cases/conformance/classes/classExpression.ts(7,1): error TS1128: Declaration or statement expected.
 tests/cases/conformance/classes/classExpression.ts(10,13): error TS1109: Expression expected.
 tests/cases/conformance/classes/classExpression.ts(5,16): error TS2304: Cannot find name 'C2'.
 
 
-==== tests/cases/conformance/classes/classExpression.ts (7 errors) ====
+==== tests/cases/conformance/classes/classExpression.ts (8 errors) ====
     var x = class C {
             ~~~~~
 !!! error TS1109: Expression expected.
@@ -21,9 +22,12 @@ tests/cases/conformance/classes/classExpression.ts(5,16): error TS2304: Cannot f
 !!! error TS1005: ':' expected.
                       ~
 !!! error TS1005: ',' expected.
+                      ~
                    ~~
 !!! error TS2304: Cannot find name 'C2'.
         }
+    ~~~~~
+!!! error TS1165: A destructuring declaration must have an initializer.
     }
     ~
 !!! error TS1128: Declaration or statement expected.
diff --git a/tests/baselines/reference/genericCallWithObjectTypeArgs2.types b/tests/baselines/reference/genericCallWithObjectTypeArgs2.types
index 3e178a7062d..08bce90b5de 100644
--- a/tests/baselines/reference/genericCallWithObjectTypeArgs2.types
+++ b/tests/baselines/reference/genericCallWithObjectTypeArgs2.types
@@ -56,7 +56,7 @@ var r = f({ x: new Derived(), y: new Derived2() }); // {}[]
 >Derived2 : typeof Derived2
 
 var r2 = f({ x: new Base(), y: new Derived2() }); // {}[]
->r2 : Base[]
+>r2 : (Base | Derived2)[]
 >f({ x: new Base(), y: new Derived2() }) : (Base | Derived2)[]
 >f : <T extends Base, U extends Base>(a: { x: T; y: U; }) => (T | U)[]
 >{ x: new Base(), y: new Derived2() } : { x: Base; y: Derived2; }
diff --git a/tests/baselines/reference/nestedClassDeclaration.errors.txt b/tests/baselines/reference/nestedClassDeclaration.errors.txt
index f3145467231..ab4a2dc4417 100644
--- a/tests/baselines/reference/nestedClassDeclaration.errors.txt
+++ b/tests/baselines/reference/nestedClassDeclaration.errors.txt
@@ -4,11 +4,12 @@ tests/cases/conformance/classes/nestedClassDeclaration.ts(10,5): error TS1129: S
 tests/cases/conformance/classes/nestedClassDeclaration.ts(12,1): error TS1128: Declaration or statement expected.
 tests/cases/conformance/classes/nestedClassDeclaration.ts(15,11): error TS1005: ':' expected.
 tests/cases/conformance/classes/nestedClassDeclaration.ts(15,14): error TS1005: ',' expected.
+tests/cases/conformance/classes/nestedClassDeclaration.ts(15,14): error TS1165: A destructuring declaration must have an initializer.
 tests/cases/conformance/classes/nestedClassDeclaration.ts(17,1): error TS1128: Declaration or statement expected.
 tests/cases/conformance/classes/nestedClassDeclaration.ts(15,11): error TS2304: Cannot find name 'C4'.
 
 
-==== tests/cases/conformance/classes/nestedClassDeclaration.ts (8 errors) ====
+==== tests/cases/conformance/classes/nestedClassDeclaration.ts (9 errors) ====
     // nested classes are not allowed
     
     class C {
@@ -36,9 +37,12 @@ tests/cases/conformance/classes/nestedClassDeclaration.ts(15,11): error TS2304:
 !!! error TS1005: ':' expected.
                  ~
 !!! error TS1005: ',' expected.
+                 ~
               ~~
 !!! error TS2304: Cannot find name 'C4'.
         }
+    ~~~~~
+!!! error TS1165: A destructuring declaration must have an initializer.
     }
     ~
 !!! error TS1128: Declaration or statement expected.
diff --git a/tests/baselines/reference/objectTypesWithOptionalProperties.errors.txt b/tests/baselines/reference/objectTypesWithOptionalProperties.errors.txt
index 14afcebd213..3f5321734d1 100644
--- a/tests/baselines/reference/objectTypesWithOptionalProperties.errors.txt
+++ b/tests/baselines/reference/objectTypesWithOptionalProperties.errors.txt
@@ -1,6 +1,6 @@
 tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWithOptionalProperties.ts(12,6): error TS1112: A class member cannot be declared optional.
 tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWithOptionalProperties.ts(20,6): error TS1112: A class member cannot be declared optional.
-tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWithOptionalProperties.ts(24,6): error TS1160: An object member cannot be declared optional.
+tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWithOptionalProperties.ts(24,6): error TS1162: An object member cannot be declared optional.
 
 
 ==== tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWithOptionalProperties.ts (3 errors) ====
@@ -33,5 +33,5 @@ tests/cases/conformance/types/objectTypeLiteral/methodSignatures/objectTypesWith
     var b = {
         x?: 1 // error
          
-!!! error TS1160: An object member cannot be declared optional.
+!!! error TS1162: An object member cannot be declared optional.
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt b/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
index 025febbc9a5..8a00b9fc115 100644
--- a/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
+++ b/tests/baselines/reference/parserCommaInTypeMemberList2.errors.txt
@@ -1,29 +1,17 @@
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,38): error TS1134: Variable declaration expected.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,60): error TS1005: ';' expected.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,70): error TS1128: Declaration or statement expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,38): error TS1165: A destructuring declaration must have an initializer.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,70): error TS1005: ',' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,71): error TS1134: Variable declaration expected.
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,9): error TS2304: Cannot find name '$'.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,31): error TS2304: Cannot find name 'any'.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,50): error TS2304: Cannot find name 'any'.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,55): error TS2304: Cannot find name 'width'.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts(1,62): error TS2304: Cannot find name 'string'.
 
 
-==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts (8 errors) ====
+==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserCommaInTypeMemberList2.ts (4 errors) ====
     var s = $.extend< { workItem: any }, { workItem: any, width: string }>({ workItem: this._workItem }, {});
-                                         ~
-!!! error TS1134: Variable declaration expected.
-                                                               ~
-!!! error TS1005: ';' expected.
+                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS1165: A destructuring declaration must have an initializer.
                                                                          ~
-!!! error TS1128: Declaration or statement expected.
+!!! error TS1005: ',' expected.
+                                                                          ~
+!!! error TS1134: Variable declaration expected.
             ~
 !!! error TS2304: Cannot find name '$'.
-                                  ~~~
-!!! error TS2304: Cannot find name 'any'.
-                                                     ~~~
-!!! error TS2304: Cannot find name 'any'.
-                                                          ~~~~~
-!!! error TS2304: Cannot find name 'width'.
-                                                                 ~~~~~~
-!!! error TS2304: Cannot find name 'string'.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/parserErrorRecovery_ParameterList1.errors.txt b/tests/baselines/reference/parserErrorRecovery_ParameterList1.errors.txt
index 1e8f35de06b..c2308f6fb11 100644
--- a/tests/baselines/reference/parserErrorRecovery_ParameterList1.errors.txt
+++ b/tests/baselines/reference/parserErrorRecovery_ParameterList1.errors.txt
@@ -1,8 +1,14 @@
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts(1,14): error TS1005: ')' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts(1,14): error TS1005: ',' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts(2,2): error TS1005: ')' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts(1,10): error TS2391: Function implementation is missing or not immediately following the declaration.
 
 
-==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts (1 errors) ====
+==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList1.ts (3 errors) ====
     function f(a {
                  ~
-!!! error TS1005: ')' expected.
-    }
\ No newline at end of file
+!!! error TS1005: ',' expected.
+             ~
+!!! error TS2391: Function implementation is missing or not immediately following the declaration.
+    }
+     
+!!! error TS1005: ')' expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/parserErrorRecovery_ParameterList2.errors.txt b/tests/baselines/reference/parserErrorRecovery_ParameterList2.errors.txt
index fd4c286f356..43e3f9f028d 100644
--- a/tests/baselines/reference/parserErrorRecovery_ParameterList2.errors.txt
+++ b/tests/baselines/reference/parserErrorRecovery_ParameterList2.errors.txt
@@ -1,11 +1,11 @@
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList2.ts(1,13): error TS1009: Trailing comma not allowed.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList2.ts(1,15): error TS1005: ')' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList2.ts(2,2): error TS1005: ')' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList2.ts(1,10): error TS2391: Function implementation is missing or not immediately following the declaration.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList2.ts (2 errors) ====
     function f(a, {
-                ~
-!!! error TS1009: Trailing comma not allowed.
-                  ~
-!!! error TS1005: ')' expected.
-    }
\ No newline at end of file
+             ~
+!!! error TS2391: Function implementation is missing or not immediately following the declaration.
+    }
+     
+!!! error TS1005: ')' expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/parserErrorRecovery_ParameterList5.errors.txt b/tests/baselines/reference/parserErrorRecovery_ParameterList5.errors.txt
index 1d3a9d901c8..8d15f746d20 100644
--- a/tests/baselines/reference/parserErrorRecovery_ParameterList5.errors.txt
+++ b/tests/baselines/reference/parserErrorRecovery_ParameterList5.errors.txt
@@ -1,10 +1,10 @@
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList5.ts(1,11): error TS1005: ',' expected.
-tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList5.ts(1,14): error TS1005: ')' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList5.ts(1,17): error TS1005: ')' expected.
 
 
 ==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList5.ts (2 errors) ====
     (a:number => { }
               ~~
 !!! error TS1005: ',' expected.
-                 ~
+                    
 !!! error TS1005: ')' expected.
\ No newline at end of file
diff --git a/tests/baselines/reference/parserUnfinishedTypeNameBeforeKeyword1.errors.txt b/tests/baselines/reference/parserUnfinishedTypeNameBeforeKeyword1.errors.txt
index 1f1e1fdce00..bbc1f776855 100644
--- a/tests/baselines/reference/parserUnfinishedTypeNameBeforeKeyword1.errors.txt
+++ b/tests/baselines/reference/parserUnfinishedTypeNameBeforeKeyword1.errors.txt
@@ -1,10 +1,11 @@
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts(2,8): error TS1005: '=' expected.
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts(2,20): error TS1005: ',' expected.
+tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts(2,20): error TS1165: A destructuring declaration must have an initializer.
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts(1,8): error TS2304: Cannot find name 'TypeModule1'.
 tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts(2,8): error TS2304: Cannot find name 'TypeModule2'.
 
 
-==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts (4 errors) ====
+==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNameBeforeKeyword1.ts (5 errors) ====
     var x: TypeModule1.
            ~~~~~~~~~~~~
     module TypeModule2 {
@@ -12,9 +13,12 @@ tests/cases/conformance/parser/ecmascript5/ErrorRecovery/parserUnfinishedTypeNam
 !!! error TS1005: '=' expected.
                        ~
 !!! error TS1005: ',' expected.
+                       ~
     ~~~~~~
 !!! error TS2304: Cannot find name 'TypeModule1'.
            ~~~~~~~~~~~
 !!! error TS2304: Cannot find name 'TypeModule2'.
     }
+    ~
+!!! error TS1165: A destructuring declaration must have an initializer.
     
\ No newline at end of file