| Index: src/contexts.cc | 
| diff --git a/src/contexts.cc b/src/contexts.cc | 
| index 441ef9d9c32b6a70b7af5440f1a61fc1e8310c1b..710d30aa8ec2a4138da312750667d8e7b87b3409 100644 | 
| --- a/src/contexts.cc | 
| +++ b/src/contexts.cc | 
| @@ -259,7 +259,7 @@ Handle<Object> Context::Lookup(Handle<String> name, | 
|  | 
| void Context::AddOptimizedFunction(JSFunction* function) { | 
| ASSERT(IsNativeContext()); | 
| -#ifdef DEBUG | 
| +#ifdef ENABLE_SLOW_ASSERTS | 
| if (FLAG_enable_slow_asserts) { | 
| Object* element = get(OPTIMIZED_FUNCTIONS_LIST); | 
| while (!element->IsUndefined()) { | 
|  |