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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/bigint_operations.h"
@@ skipping 1834 matching lines @@
     if (!orig_field.IsNull()) {
       return FormatPatchError("duplicate field: %s", member_name);
     }
     new_list.SetAt(i, field);
   }
   for (intptr_t i = 0; i < orig_len; i++) {
     field ^= orig_list.At(i);
     new_list.SetAt(patch_len + i, field);
   }
   SetFields(new_list);
+
+  // The functions and fields in the patch class are no longer needed.
+  patch.SetFunctions(Object::empty_array());
+  patch.SetFields(Object::empty_array());
   return NULL;
 }
 
 
 void Class::SetFields(const Array& value) const {
   ASSERT(!value.IsNull());
 #if defined(DEBUG)
   // Verify that all the fields in the array have this class as owner.
   Field& field = Field::Handle();
   intptr_t len = value.Length();
@@ skipping 10928 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 }  // namespace dart