diff --git a/modules/benchmarks/src/tree/ng2_ftl/ftl_util.ts b/modules/benchmarks/src/tree/ng2_ftl/ftl_util.ts
index 5b495a50a0..8a128daf0a 100644
--- a/modules/benchmarks/src/tree/ng2_ftl/ftl_util.ts
+++ b/modules/benchmarks/src/tree/ng2_ftl/ftl_util.ts
@@ -7,6 +7,9 @@
  */
 
 import {ComponentFactory, ComponentRef, ElementRef, Injector, TemplateRef, ViewContainerRef, ViewRef} from '@angular/core';
+import {devModeEqual, looseIdentical} from '@angular/core/src/change_detection/change_detection_util';
+import {ExpressionChangedAfterItHasBeenCheckedError} from '@angular/core/src/linker/errors';
+
 
 export function unimplemented(): any {
   throw new Error('unimplemented');
@@ -205,3 +208,14 @@ export function createAnchorAndAppend(parent: any) {
   parent.appendChild(txt);
   return txt;
 }
+
+export function checkBinding(throwOnChange: boolean, oldValue: any, newValue: any): boolean {
+  if (throwOnChange) {
+    if (!devModeEqual(oldValue, newValue)) {
+      throw new ExpressionChangedAfterItHasBeenCheckedError(oldValue, newValue, false);
+    }
+    return false;
+  } else {
+    return !looseIdentical(oldValue, newValue);
+  }
+}
\ No newline at end of file
diff --git a/modules/benchmarks/src/tree/ng2_ftl/ng_if.ngfactory.ts b/modules/benchmarks/src/tree/ng2_ftl/ng_if.ngfactory.ts
index b3ff2b141f..eda72134de 100644
--- a/modules/benchmarks/src/tree/ng2_ftl/ng_if.ngfactory.ts
+++ b/modules/benchmarks/src/tree/ng2_ftl/ng_if.ngfactory.ts
@@ -2,17 +2,17 @@ import {NgIf} from '@angular/common';
 import {TemplateRef, ViewContainerRef} from '@angular/core';
 import * as import7 from '@angular/core/src/change_detection/change_detection';
 import * as import4 from '@angular/core/src/linker/view_utils';
+import {checkBinding} from './ftl_util';
 
 export class NgIfWrapper {
   directive: NgIf;
   _expr_0: any;
   constructor(viewContainerRef: ViewContainerRef, templateRef: TemplateRef<any>) {
     this.directive = new NgIf(viewContainerRef, templateRef);
-    this._expr_0 = import7.UNINITIALIZED;
   }
 
   updateNgIf(throwOnChange: boolean, currVal: any) {
-    if (import4.checkBinding(throwOnChange, this._expr_0, currVal)) {
+    if (checkBinding(throwOnChange, this._expr_0, currVal)) {
       this.directive.ngIf = currVal;
       this._expr_0 = currVal;
     }
diff --git a/modules/benchmarks/src/tree/ng2_ftl/tree.ngfactory.ts b/modules/benchmarks/src/tree/ng2_ftl/tree.ngfactory.ts
index 12b1a31e6f..d8d097e3d2 100644
--- a/modules/benchmarks/src/tree/ng2_ftl/tree.ngfactory.ts
+++ b/modules/benchmarks/src/tree/ng2_ftl/tree.ngfactory.ts
@@ -18,7 +18,7 @@ import * as import8 from '@angular/core/src/metadata/view';
 import * as import0 from '@angular/core/src/render/api';
 import * as import12 from '@angular/core/src/security';
 
-import {FtlEmbeddedView, FtlTemplateRef, FtlView, FtlViewContainerRef, createAnchorAndAppend, createElementAndAppend, createTextAndAppend} from './ftl_util';
+import {FtlEmbeddedView, FtlTemplateRef, FtlView, FtlViewContainerRef, checkBinding, createAnchorAndAppend, createElementAndAppend, createTextAndAppend} from './ftl_util';
 import {NgIfWrapper} from './ng_if.ngfactory';
 import * as import3 from './tree';
 
@@ -50,9 +50,8 @@ export class _View_TreeComponent0 implements FtlView<import3.TreeComponent> {
     this._TemplateRef_3_5 = new FtlTemplateRef(3, this);
     this._vc_3 = new FtlViewContainerRef(this._anchor_3);
     this._NgIf_3_6 = new NgIfWrapper(this._vc_3, this._TemplateRef_3_5);
-    this._expr_0 = import7.UNINITIALIZED;
-    this._expr_1 = import7.UNINITIALIZED;
-    this._expr_2 = import7.UNINITIALIZED;
+    this._expr_0 = undefined;
+    this._expr_1 = undefined;
   }
   detectChangesInternal(throwOnChange: boolean): void {
     this._NgIf_2_6.updateNgIf(throwOnChange, (this.context.data.right != (null as any)));
@@ -60,12 +59,12 @@ export class _View_TreeComponent0 implements FtlView<import3.TreeComponent> {
     this._vc_2.detectChangesInternal(throwOnChange);
     this._vc_3.detectChangesInternal(throwOnChange);
     const currVal_0: any = ((this.context.data.depth % 2) ? '' : 'grey');
-    if (import4.checkBinding(throwOnChange, this._expr_0, currVal_0)) {
+    if (checkBinding(throwOnChange, this._expr_0, currVal_0)) {
       this._el_0.style.backgroundColor = currVal_0;
       this._expr_0 = currVal_0;
     }
     const currVal_1: any = import4.inlineInterpolate(1, ' ', this.context.data.value, ' ');
-    if (import4.checkBinding(throwOnChange, this._expr_1, currVal_1)) {
+    if (checkBinding(throwOnChange, this._expr_1, currVal_1)) {
       this._text_1.nodeValue = currVal_1;
       this._expr_1 = currVal_1;
     }
@@ -75,7 +74,7 @@ export class _View_TreeComponent0 implements FtlView<import3.TreeComponent> {
     this._vc_3.destroyInternal();
   }
   updateData(throwOnChange: boolean, currVal: any) {
-    if (import4.checkBinding(throwOnChange, this._expr_2, currVal)) {
+    if (checkBinding(throwOnChange, this._expr_2, currVal)) {
       this.context.data = currVal;
       this._expr_2 = currVal;
     }
diff --git a/modules/benchmarks/src/tree/ng2_static_ftl/ftl_util.ts b/modules/benchmarks/src/tree/ng2_static_ftl/ftl_util.ts
index 8a7cc1d0f4..53b7a0ca2b 100644
--- a/modules/benchmarks/src/tree/ng2_static_ftl/ftl_util.ts
+++ b/modules/benchmarks/src/tree/ng2_static_ftl/ftl_util.ts
@@ -5,6 +5,8 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
+import {devModeEqual, looseIdentical} from '@angular/core/src/change_detection/change_detection_util';
+import {ExpressionChangedAfterItHasBeenCheckedError} from '@angular/core/src/linker/errors';
 
 export function createElementAndAppend(parent: any, name: string) {
   const el = document.createElement(name);
@@ -23,3 +25,14 @@ export function createAnchorAndAppend(parent: any) {
   parent.appendChild(txt);
   return txt;
 }
+
+export function checkBinding(throwOnChange: boolean, oldValue: any, newValue: any): boolean {
+  if (throwOnChange) {
+    if (!devModeEqual(oldValue, newValue)) {
+      throw new ExpressionChangedAfterItHasBeenCheckedError(oldValue, newValue, false);
+    }
+    return false;
+  } else {
+    return !looseIdentical(oldValue, newValue);
+  }
+}
\ No newline at end of file
diff --git a/modules/benchmarks/src/tree/ng2_static_ftl/tree_branch.ngfactory.ts b/modules/benchmarks/src/tree/ng2_static_ftl/tree_branch.ngfactory.ts
index c04d9b70f4..f6588c2090 100644
--- a/modules/benchmarks/src/tree/ng2_static_ftl/tree_branch.ngfactory.ts
+++ b/modules/benchmarks/src/tree/ng2_static_ftl/tree_branch.ngfactory.ts
@@ -16,7 +16,7 @@ import * as import8 from '@angular/core/src/metadata/view';
 import * as import0 from '@angular/core/src/render/api';
 import * as import12 from '@angular/core/src/security';
 
-import {createAnchorAndAppend, createElementAndAppend, createTextAndAppend} from './ftl_util';
+import {checkBinding, createAnchorAndAppend, createElementAndAppend, createTextAndAppend} from './ftl_util';
 import * as import3 from './tree';
 import * as import11 from './tree_leaf.ngfactory';
 
@@ -42,16 +42,15 @@ export class View_TreeTreeComponent {
     this._el_3 = createElementAndAppend(parentRenderNode, 'tree');
     this._TreeComponent20_3_4View = depth > 0 ? new View_TreeTreeComponent(depth - 1, this._el_3) :
                                                 new import11.View_TreeLeafComponent(this._el_3);
-    this._expr_0 = import7.UNINITIALIZED;
-    this._expr_1 = import7.UNINITIALIZED;
-    this._expr_2 = import7.UNINITIALIZED;
+    this._expr_1 = undefined;
+    this._expr_2 = undefined;
   }
   destroyInternal() {
     this._TreeComponent20_2_4View.destroyInternal();
     this._TreeComponent20_3_4View.destroyInternal();
   }
   updateData(currVal_2: any) {
-    if (import4.checkBinding(false, this._expr_2, currVal_2)) {
+    if (checkBinding(false, this._expr_2, currVal_2)) {
       this.context.data = currVal_2;
       this._expr_2 = currVal_2;
     }
@@ -61,12 +60,12 @@ export class View_TreeTreeComponent {
     this._TreeComponent20_3_4View.updateData(this.context.data.left);
 
     const currVal_0: any = ((this.context.data.depth % 2) ? '' : 'grey');
-    if (import4.checkBinding(throwOnChange, this._expr_0, currVal_0)) {
+    if (checkBinding(throwOnChange, this._expr_0, currVal_0)) {
       this._el_0.style.backgroundColor = currVal_0;
       this._expr_0 = currVal_0;
     }
     const currVal_1: any = import4.inlineInterpolate(1, ' ', this.context.data.value, ' ');
-    if (import4.checkBinding(throwOnChange, this._expr_1, currVal_1)) {
+    if (checkBinding(throwOnChange, this._expr_1, currVal_1)) {
       this._text_1.nodeValue = currVal_1;
       this._expr_1 = currVal_1;
     }
diff --git a/modules/benchmarks/src/tree/ng2_static_ftl/tree_leaf.ngfactory.ts b/modules/benchmarks/src/tree/ng2_static_ftl/tree_leaf.ngfactory.ts
index 812e935828..ca4838546b 100644
--- a/modules/benchmarks/src/tree/ng2_static_ftl/tree_leaf.ngfactory.ts
+++ b/modules/benchmarks/src/tree/ng2_static_ftl/tree_leaf.ngfactory.ts
@@ -16,6 +16,7 @@ import * as import8 from '@angular/core/src/metadata/view';
 import * as import0 from '@angular/core/src/render/api';
 import * as import10 from '@angular/core/src/security';
 
+import {checkBinding} from './ftl_util';
 import * as import3 from './tree';
 
 export class View_TreeLeafComponent {
@@ -31,11 +32,9 @@ export class View_TreeLeafComponent {
     parentRenderNode.appendChild(this._el_0);
     this._text_1 = document.createTextNode('');
     this._el_0.appendChild(this._text_1);
-    this._expr_0 = import7.UNINITIALIZED;
-    this._expr_1 = import7.UNINITIALIZED;
   }
   updateData(currVal_2: any) {
-    if (import4.checkBinding(false, this._expr_2, currVal_2)) {
+    if (checkBinding(false, this._expr_2, currVal_2)) {
       this.context.data = currVal_2;
       this._expr_2 = currVal_2;
     }
@@ -43,12 +42,12 @@ export class View_TreeLeafComponent {
   destroyInternal() {}
   detectChangesInternal(throwOnChange: boolean): void {
     const currVal_0: any = ((this.context.data.depth % 2) ? '' : 'grey');
-    if (import4.checkBinding(throwOnChange, this._expr_0, currVal_0)) {
+    if (checkBinding(throwOnChange, this._expr_0, currVal_0)) {
       this._el_0.style.backgroundColor = currVal_0;
       this._expr_0 = currVal_0;
     }
     const currVal_1: any = import4.inlineInterpolate(1, ' ', this.context.data.value, ' ');
-    if (import4.checkBinding(throwOnChange, this._expr_1, currVal_1)) {
+    if (checkBinding(throwOnChange, this._expr_1, currVal_1)) {
       this._text_1.nodeValue = currVal_1;
       this._expr_1 = currVal_1;
     }
diff --git a/modules/benchmarks/src/tree/ng2_static_ftl/tree_root.ngfactory.ts b/modules/benchmarks/src/tree/ng2_static_ftl/tree_root.ngfactory.ts
index 2f30f4a92b..e1833ddef7 100644
--- a/modules/benchmarks/src/tree/ng2_static_ftl/tree_root.ngfactory.ts
+++ b/modules/benchmarks/src/tree/ng2_static_ftl/tree_root.ngfactory.ts
@@ -18,6 +18,7 @@ import * as import0 from '@angular/core/src/render/api';
 
 import {maxDepth} from '../util';
 
+import {checkBinding} from './ftl_util';
 import * as import3 from './tree';
 import * as import12 from './tree';
 import * as import13 from './tree_branch.ngfactory';
@@ -86,7 +87,6 @@ class _View_TreeRootComponent0 extends import1.AppView<import3.TreeRootComponent
     this._appEl_0 = new import2.ViewContainer(0, (null as any), this, this._anchor_0);
     this._TemplateRef_0_5 = new import11.TemplateRef_(this, 0, this._anchor_0);
     this._NgIf_0_6 = new import10.NgIf(this._appEl_0.vcRef, this._TemplateRef_0_5);
-    this._expr_0 = import7.UNINITIALIZED;
     this.init([], [this._anchor_0], []);
     return (null as any);
   }
@@ -108,7 +108,7 @@ class _View_TreeRootComponent0 extends import1.AppView<import3.TreeRootComponent
   }
   detectChangesInternal(throwOnChange: boolean): void {
     const currVal_0: any = (this.context.data.left != (null as any));
-    if (import4.checkBinding(throwOnChange, this._expr_0, currVal_0)) {
+    if (checkBinding(throwOnChange, this._expr_0, currVal_0)) {
       this._NgIf_0_6.ngIf = currVal_0;
       this._expr_0 = currVal_0;
     }