Set BP in closurized function if necessary

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1127 matching lines @@
   // Signature class of this closure function or signature function.
   RawClass* signature_class() const;
   void set_signature_class(const Class& value) const;
 
   RawInstance* implicit_static_closure() const;
   void set_implicit_static_closure(const Instance& closure) const;
 
   RawCode* closure_allocation_stub() const;
   void set_closure_allocation_stub(const Code& value) const;
 
+  // Returns true iff an implicit closure function has been created
+  // for this function.
+  bool HasImplicitClosureFunction() const {
+    return implicit_closure_function() != null();
+  }
+
   // Return the closure function implicitly created for this function.
   // If none exists yet, create one and remember it.
   RawFunction* ImplicitClosureFunction() const;
 
   // Redirection information for a redirecting factory.
   bool IsRedirectingFactory() const;
   RawType* RedirectionType() const;
   void SetRedirectionType(const Type& type) const;
   RawString* RedirectionIdentifier() const;
   void SetRedirectionIdentifier(const String& identifier) const;
@@ skipping 4833 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_