Fix for issue 2233

vm/raw_object_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/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot.h"
 #include "vm/visitor.h"
 
@@ skipping 1211 matching lines @@
 
   // Read in the HexCString representation of the bigint.
   intptr_t len = reader->ReadIntptrValue();
   char* str = reinterpret_cast<char*>(ZoneAllocator(len + 1));
   str[len] = '\0';
   for (intptr_t i = 0; i < len; i++) {
     str[i] = reader->Read<uint8_t>();
   }
 
   // Create a Bigint object from HexCString.
-  Bigint& obj = Bigint::ZoneHandle(reader->isolate(),
-                                   BigintOperations::FromHexCString(str));
+  Bigint& obj = Bigint::ZoneHandle(
+      reader->isolate(),
+      (kind == Snapshot::kFull) ? reader->NewBigint(str) :
+                                  BigintOperations::FromHexCString(str));
 
   // If it is a canonical constant make it one.
   if ((kind != Snapshot::kFull) && RawObject::IsCanonical(tags)) {
     obj ^= obj.Canonicalize();
   }
   reader->AddBackwardReference(object_id, &obj);
 
   // Set the object tags.
   obj.set_tags(tags);
 
@@ skipping 723 matching lines @@
   writer->Write<RawObject*>(ptr()->num_bracket_expressions_);
   writer->WriteObject(ptr()->pattern_);
   writer->WriteIntptrValue(ptr()->type_);
   writer->WriteIntptrValue(ptr()->flags_);
 
   // Do not write out the data part which is native.
 }
 
 
 }  // namespace dart