diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index b11843538e..e596c84c65 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -11387,7 +11387,7 @@ module ts {
                 return grammarErrorOnNode(node, Diagnostics.Decorators_are_only_available_when_targeting_ECMAScript_5_and_higher);
             }
             else if (node.kind === SyntaxKind.GetAccessor || node.kind === SyntaxKind.SetAccessor) {
-                let accessors = mergeAccessorDeclarations((<ClassDeclaration>node.parent).members, <AccessorDeclaration>node);
+                let accessors = getAllAccessorDeclarations((<ClassDeclaration>node.parent).members, <AccessorDeclaration>node);
                 if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) {
                     return grammarErrorOnNode(node, Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name);
                 }
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index e82af2fc4a..23a183775e 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -162,9 +162,9 @@ module ts {
         return ~low;
     }
 
-    export function foldLeft<T>(array: T[], f: (a: T, x: T) => T): T;
-    export function foldLeft<T, U>(array: T[], f: (a: U, x: T) => U, initial: U): U;
-    export function foldLeft<T, U>(array: T[], f: (a: U, x: T) => U, initial?: U): U {
+    export function reduceLeft<T>(array: T[], f: (a: T, x: T) => T): T;
+    export function reduceLeft<T, U>(array: T[], f: (a: U, x: T) => U, initial: U): U;
+    export function reduceLeft<T, U>(array: T[], f: (a: U, x: T) => U, initial?: U): U {
         if (array) {
             var count = array.length;
             if (count > 0) {
@@ -179,9 +179,9 @@ module ts {
         return initial;
     }
 
-    export function foldRight<T>(array: T[], f: (a: T, x: T) => T): T;
-    export function foldRight<T, U>(array: T[], f: (a: U, x: T) => U, initial: U): U;
-    export function foldRight<T, U>(array: T[], f: (a: U, x: T) => U, initial?: U): U {
+    export function reduceRight<T>(array: T[], f: (a: T, x: T) => T): T;
+    export function reduceRight<T, U>(array: T[], f: (a: U, x: T) => U, initial: U): U;
+    export function reduceRight<T, U>(array: T[], f: (a: U, x: T) => U, initial?: U): U {
         if (array) {
             var pos = array.length - 1;
             if (pos >= 0) {
diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 222e745598..2001830454 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -21,7 +21,6 @@ module ts {
 
     // flag enum used to request and track usages of few dedicated temp variables
     // enum values are used to set/check bit values and thus should not have bit collisions.
-            let accessors = getAllAccessorDeclarations((<ClassDeclaration>node.parent).members, node);
     const enum TempVariableKind {
         auto = 0,
         _i = 1,
@@ -1497,7 +1496,7 @@ module ts {
 
                     case SyntaxKind.GetAccessor:
                     case SyntaxKind.SetAccessor:
-                        let { firstAccessor, getAccessor, setAccessor } = mergeAccessorDeclarations(objectLiteral.properties, <AccessorDeclaration>property);
+                        let { firstAccessor, getAccessor, setAccessor } = getAllAccessorDeclarations(objectLiteral.properties, <AccessorDeclaration>property);
 
                         // Only emit the first accessor.
                         if (firstAccessor !== property) {
@@ -3327,7 +3326,7 @@ module ts {
                         emitTrailingComments(member);
                     }
                     else if (member.kind === SyntaxKind.GetAccessor || member.kind === SyntaxKind.SetAccessor) {
-                        let accessors = mergeAccessorDeclarations(node.members, <AccessorDeclaration>member);
+                        let accessors = getAllAccessorDeclarations(node.members, <AccessorDeclaration>member);
                         if (member === accessors.firstAccessor) {
                             writeLine();
                             emitStart(member);
@@ -3815,7 +3814,7 @@ module ts {
 
                         case SyntaxKind.GetAccessor:
                         case SyntaxKind.SetAccessor:
-                            let accessors = mergeAccessorDeclarations(node.members, <AccessorDeclaration>member);
+                            let accessors = getAllAccessorDeclarations(node.members, <AccessorDeclaration>member);
                             if (member !== accessors.firstAccessor) {
                                 // skip the second accessor as we processed it with the first.
                                 return;
diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 021921f2e1..204212de79 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -542,14 +542,6 @@ module ts {
         body: Block;
     }
 
-    // A merged view of get/set accessors
-    export interface MergedAccessorDeclarations {
-        getAccessor: AccessorDeclaration;
-        setAccessor: AccessorDeclaration;
-        firstAccessor: AccessorDeclaration;
-        secondAccessor: AccessorDeclaration;
-    }
-
     export interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {
         _indexSignatureDeclarationBrand: any;
     }
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index ac6f5a2f1f..bbe156cbd3 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -575,56 +575,6 @@ module ts {
         return (<CallExpression>node).expression;
     }
 
-    export function mergeAccessorDeclarations(declarations: NodeArray<Declaration>, accessor: AccessorDeclaration): MergedAccessorDeclarations {
-        let firstAccessor: AccessorDeclaration;
-        let secondAccessor: AccessorDeclaration;
-        let getAccessor: AccessorDeclaration;
-        let setAccessor: AccessorDeclaration;
-        if (hasDynamicName(accessor)) {
-            firstAccessor = accessor;
-            if (accessor.kind === SyntaxKind.GetAccessor) {
-                getAccessor = accessor;
-            }
-            else if (accessor.kind === SyntaxKind.SetAccessor) {
-                setAccessor = accessor;
-            }
-            else {
-                Debug.fail("Accessor has wrong kind");
-            }
-        }
-        else {
-            forEach(declarations, (member: Declaration) => {
-                if ((member.kind === SyntaxKind.GetAccessor || member.kind === SyntaxKind.SetAccessor)
-                    && (member.flags & NodeFlags.Static) === (accessor.flags & NodeFlags.Static)) {
-                    let memberName = getPropertyNameForPropertyNameNode(member.name);
-                    let accessorName = getPropertyNameForPropertyNameNode(accessor.name);
-                    if (memberName === accessorName) {
-                        if (!firstAccessor) {
-                            firstAccessor = <AccessorDeclaration>member;
-                        }
-                        else if (!secondAccessor) {
-                            secondAccessor = <AccessorDeclaration>member;
-                        }
-
-                        if (member.kind === SyntaxKind.GetAccessor && !getAccessor) {
-                            getAccessor = <AccessorDeclaration>member;
-                        }
-
-                        if (member.kind === SyntaxKind.SetAccessor && !setAccessor) {
-                            setAccessor = <AccessorDeclaration>member;
-                        }
-                    }
-                }
-            });
-        }
-        return {
-            firstAccessor,
-            secondAccessor,
-            getAccessor,
-            setAccessor
-        };
-    }
-
     export function nodeCanBeDecorated(node: Node): boolean {
         switch (node.kind) {
             case SyntaxKind.ClassDeclaration:
@@ -1626,6 +1576,7 @@ module ts {
 
     export function getAllAccessorDeclarations(declarations: NodeArray<Declaration>, accessor: AccessorDeclaration) {
         let firstAccessor: AccessorDeclaration;
+        let secondAccessor: AccessorDeclaration;
         let getAccessor: AccessorDeclaration;
         let setAccessor: AccessorDeclaration;
         if (hasDynamicName(accessor)) {
@@ -1650,6 +1601,9 @@ module ts {
                         if (!firstAccessor) {
                             firstAccessor = <AccessorDeclaration>member;
                         }
+                        else if (!secondAccessor) {
+                            secondAccessor = <AccessorDeclaration>member;
+                        }
 
                         if (member.kind === SyntaxKind.GetAccessor && !getAccessor) {
                             getAccessor = <AccessorDeclaration>member;
@@ -1664,6 +1618,7 @@ module ts {
         }
         return {
             firstAccessor,
+            secondAccessor,
             getAccessor,
             setAccessor
         };
diff --git a/tests/baselines/reference/APISample_compile.js b/tests/baselines/reference/APISample_compile.js
index 051598759d..8fe06ca08b 100644
--- a/tests/baselines/reference/APISample_compile.js
+++ b/tests/baselines/reference/APISample_compile.js
@@ -472,12 +472,6 @@ declare module "typescript" {
         _accessorDeclarationBrand: any;
         body: Block;
     }
-    interface MergedAccessorDeclarations {
-        getAccessor: AccessorDeclaration;
-        setAccessor: AccessorDeclaration;
-        firstAccessor: AccessorDeclaration;
-        secondAccessor: AccessorDeclaration;
-    }
     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {
         _indexSignatureDeclarationBrand: any;
     }
diff --git a/tests/baselines/reference/APISample_compile.types b/tests/baselines/reference/APISample_compile.types
index 5f2d5c7f2c..899c08166e 100644
--- a/tests/baselines/reference/APISample_compile.types
+++ b/tests/baselines/reference/APISample_compile.types
@@ -1440,25 +1440,6 @@ declare module "typescript" {
         body: Block;

 >body : Block
 >Block : Block
-    }

-    interface MergedAccessorDeclarations {

->MergedAccessorDeclarations : MergedAccessorDeclarations
-
-        getAccessor: AccessorDeclaration;

->getAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        setAccessor: AccessorDeclaration;

->setAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        firstAccessor: AccessorDeclaration;

->firstAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        secondAccessor: AccessorDeclaration;

->secondAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
     }

     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {

 >IndexSignatureDeclaration : IndexSignatureDeclaration
diff --git a/tests/baselines/reference/APISample_linter.js b/tests/baselines/reference/APISample_linter.js
index cedfe25f01..268751c25c 100644
--- a/tests/baselines/reference/APISample_linter.js
+++ b/tests/baselines/reference/APISample_linter.js
@@ -503,12 +503,6 @@ declare module "typescript" {
         _accessorDeclarationBrand: any;
         body: Block;
     }
-    interface MergedAccessorDeclarations {
-        getAccessor: AccessorDeclaration;
-        setAccessor: AccessorDeclaration;
-        firstAccessor: AccessorDeclaration;
-        secondAccessor: AccessorDeclaration;
-    }
     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {
         _indexSignatureDeclarationBrand: any;
     }
diff --git a/tests/baselines/reference/APISample_linter.types b/tests/baselines/reference/APISample_linter.types
index d2615e8bde..da2a475311 100644
--- a/tests/baselines/reference/APISample_linter.types
+++ b/tests/baselines/reference/APISample_linter.types
@@ -1586,25 +1586,6 @@ declare module "typescript" {
         body: Block;

 >body : Block
 >Block : Block
-    }

-    interface MergedAccessorDeclarations {

->MergedAccessorDeclarations : MergedAccessorDeclarations
-
-        getAccessor: AccessorDeclaration;

->getAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        setAccessor: AccessorDeclaration;

->setAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        firstAccessor: AccessorDeclaration;

->firstAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        secondAccessor: AccessorDeclaration;

->secondAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
     }

     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {

 >IndexSignatureDeclaration : IndexSignatureDeclaration
diff --git a/tests/baselines/reference/APISample_transform.js b/tests/baselines/reference/APISample_transform.js
index 20ad21ffd5..1955c175b9 100644
--- a/tests/baselines/reference/APISample_transform.js
+++ b/tests/baselines/reference/APISample_transform.js
@@ -504,12 +504,6 @@ declare module "typescript" {
         _accessorDeclarationBrand: any;
         body: Block;
     }
-    interface MergedAccessorDeclarations {
-        getAccessor: AccessorDeclaration;
-        setAccessor: AccessorDeclaration;
-        firstAccessor: AccessorDeclaration;
-        secondAccessor: AccessorDeclaration;
-    }
     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {
         _indexSignatureDeclarationBrand: any;
     }
diff --git a/tests/baselines/reference/APISample_transform.types b/tests/baselines/reference/APISample_transform.types
index d2e22448ba..e7ebaee5df 100644
--- a/tests/baselines/reference/APISample_transform.types
+++ b/tests/baselines/reference/APISample_transform.types
@@ -1536,25 +1536,6 @@ declare module "typescript" {
         body: Block;

 >body : Block
 >Block : Block
-    }

-    interface MergedAccessorDeclarations {

->MergedAccessorDeclarations : MergedAccessorDeclarations
-
-        getAccessor: AccessorDeclaration;

->getAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        setAccessor: AccessorDeclaration;

->setAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        firstAccessor: AccessorDeclaration;

->firstAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        secondAccessor: AccessorDeclaration;

->secondAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
     }

     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {

 >IndexSignatureDeclaration : IndexSignatureDeclaration
diff --git a/tests/baselines/reference/APISample_watcher.js b/tests/baselines/reference/APISample_watcher.js
index 04be530fed..d9188afe74 100644
--- a/tests/baselines/reference/APISample_watcher.js
+++ b/tests/baselines/reference/APISample_watcher.js
@@ -541,12 +541,6 @@ declare module "typescript" {
         _accessorDeclarationBrand: any;
         body: Block;
     }
-    interface MergedAccessorDeclarations {
-        getAccessor: AccessorDeclaration;
-        setAccessor: AccessorDeclaration;
-        firstAccessor: AccessorDeclaration;
-        secondAccessor: AccessorDeclaration;
-    }
     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {
         _indexSignatureDeclarationBrand: any;
     }
diff --git a/tests/baselines/reference/APISample_watcher.types b/tests/baselines/reference/APISample_watcher.types
index df84080272..66caf52378 100644
--- a/tests/baselines/reference/APISample_watcher.types
+++ b/tests/baselines/reference/APISample_watcher.types
@@ -1709,25 +1709,6 @@ declare module "typescript" {
         body: Block;

 >body : Block
 >Block : Block
-    }

-    interface MergedAccessorDeclarations {

->MergedAccessorDeclarations : MergedAccessorDeclarations
-
-        getAccessor: AccessorDeclaration;

->getAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        setAccessor: AccessorDeclaration;

->setAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        firstAccessor: AccessorDeclaration;

->firstAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
-
-        secondAccessor: AccessorDeclaration;

->secondAccessor : AccessorDeclaration
->AccessorDeclaration : AccessorDeclaration
     }

     interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement {

 >IndexSignatureDeclaration : IndexSignatureDeclaration
diff --git a/tests/baselines/reference/declarationEmitDefaultExport2.js b/tests/baselines/reference/declarationEmitDefaultExport2.js
index 388bd41e4f..687c6d67cd 100644
--- a/tests/baselines/reference/declarationEmitDefaultExport2.js
+++ b/tests/baselines/reference/declarationEmitDefaultExport2.js
@@ -3,7 +3,7 @@ export default class {
 }
 
 //// [declarationEmitDefaultExport2.js]
-export default class  {
+export default class {
 }