Do not emit pointer information for embedded singleton VM Isolate objects while generating code. Th…

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/exceptions.h"
@@ skipping 1028 matching lines @@
   uword tags = rawobj->ptr()->tags_;
   if (SerializedHeaderTag::decode(tags) == kObjectId) {
     intptr_t id = SerializedHeaderData::decode(tags);
     WriteIndexedObject(id);
     return true;
   }
 
   // Now check if it is an object from the VM isolate (NOTE: premarked objects
   // are considered to be objects in the VM isolate). These objects are shared
   // by all isolates.
-  if (rawobj->IsMarked()) {
+  if (rawobj->IsVMHeapObject()) {
     HandleVMIsolateObject(rawobj);
     return true;
   }
 
   // Check if the object is a Mint and could potentially be a Smi
   // on other architectures (64 bit), if so write it out as int64_t value.
   if (rawobj->GetClassId() == kMintCid) {
     int64_t value = reinterpret_cast<RawMint*>(rawobj)->ptr()->value_;
     const intptr_t kSmi64Bits = 62;
     const int64_t kSmi64Max = (static_cast<int64_t>(1) << kSmi64Bits) - 1;
@@ skipping 255 matching lines @@
     UnmarkAll();
     isolate->set_long_jump_base(base);
   } else {
     isolate->set_long_jump_base(base);
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart