Resubmit change 19074.

runtime/vm/snapshot.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/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
@@ skipping 613 matching lines @@
   if ((value <= Smi::kMaxValue) && (value >= Smi::kMinValue)) {
     return Smi::New(value);
   }
   if (kind_ == Snapshot::kFull) {
     return NewMint(value);
   }
   return Mint::NewCanonical(value);
 }
 
 
+RawStacktrace* SnapshotReader::NewStacktrace() {
+  ALLOC_NEW_OBJECT(Stacktrace, object_store()->stacktrace_class());
+}
+
+
 RawClass* SnapshotReader::LookupInternalClass(intptr_t class_header) {
   // If the header is an object Id, lookup singleton VM classes or classes
   // stored in the object store.
   if (IsVMIsolateObject(class_header)) {
     intptr_t class_id = GetVMIsolateObjectId(class_header);
     if (IsSingletonClassId(class_id)) {
       return isolate()->class_table()->At(class_id);  // get singleton class.
     }
   } else if (SerializedHeaderTag::decode(class_header) == kObjectId) {
     intptr_t class_id = SerializedHeaderData::decode(class_header);
@@ skipping 701 matching lines @@
     UnmarkAll();
     isolate->set_long_jump_base(base);
   } else {
     isolate->set_long_jump_base(base);
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart