Modifies assertion for possibly null code pointer.

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 4033 matching lines @@
 void Function::DetachCode() const {
   // Set unoptimized code as non-entrant, and set code and unoptimized code
   // to null.
   CodePatcher::PatchEntry(Code::Handle(unoptimized_code()));
   StorePointer(&raw_ptr()->code_, Code::null());
   StorePointer(&raw_ptr()->unoptimized_code_, Code::null());
 }
 
 
 void Function::ReattachCode(const Code& code) const {
-  set_unoptimized_code(code);
-  SetCode(code);
+  StorePointer(&raw_ptr()->code_, code.raw());
+  StorePointer(&raw_ptr()->unoptimized_code_, code.raw());
   CodePatcher::RestoreEntry(code);
 }
 
 
 void Function::SwitchToUnoptimizedCode() const {
   ASSERT(HasOptimizedCode());
 
   const Code& current_code = Code::Handle(CurrentCode());
 
   // Optimized code object might have been actually fully produced by the
@@ skipping 11522 matching lines @@
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
 }
 
 
 }  // namespace dart