Use Heap::kOld when allocating objects for script snapshots.

runtime/vm/snapshot.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_SNAPSHOT_H_
 #define VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 82 matching lines @@
   kIsNotDeserialized = 1,
 };
 
 
 enum SerializeState {
   kIsSerialized = 0,
   kIsNotSerialized = 1,
 };
 
 
+#define HEAP_SPACE(kind) (kind == Snapshot::kMessage) ? Heap::kNew : Heap::kOld
+
+
 // Structure capturing the raw snapshot.
 class Snapshot {
  public:
   enum Kind {
     kFull = 0,  // Full snapshot of the current dart heap.
     kScript,    // A partial snapshot of only the application script.
     kMessage,   // A partial snapshot used only for isolate messaging.
   };
 
   static const int kHeaderSize = 2 * sizeof(int32_t);
@@ skipping 400 matching lines @@
  private:
   SnapshotWriter* writer_;
   bool as_references_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_SNAPSHOT_H_