| Index: src/wasm/wasm-objects.h
 | 
| diff --git a/src/wasm/wasm-objects.h b/src/wasm/wasm-objects.h
 | 
| index 94ac54086c9d0e7ad3ca7c9e5a039c028e4c8a01..e24a43cbaf0f51eeaa9cb7796037b0568ef159e4 100644
 | 
| --- a/src/wasm/wasm-objects.h
 | 
| +++ b/src/wasm/wasm-objects.h
 | 
| @@ -102,7 +102,7 @@ class WasmMemoryObject : public JSObject {
 | 
|    };
 | 
|  
 | 
|    DECLARE_CASTS(WasmMemoryObject);
 | 
| -  DECLARE_ACCESSORS(buffer, JSArrayBuffer);
 | 
| +  DECLARE_OPTIONAL_ACCESSORS(buffer, JSArrayBuffer);
 | 
|    DECLARE_OPTIONAL_ACCESSORS(instances_link, WasmInstanceWrapper);
 | 
|  
 | 
|    void AddInstance(Isolate* isolate, Handle<WasmInstanceObject> object);
 | 
| 
 |