Make ClassFinalizer indifferent on whether we are generating a snapshot or not.

runtime/vm/bootstrap.cc

 // Copyright (c) 2011, 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/bootstrap.h"
 
 #include "include/dart_api.h"
 
+#include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, print_bootstrap, false, "Print the bootstrap source.");
 
 
@@ skipping 43 matching lines @@
 }
 
 
 RawError* Bootstrap::Compile(const Library& library, const Script& script) {
   if (FLAG_print_bootstrap) {
     OS::Print("Bootstrap source '%s':\n%s\n",
         String::Handle(script.url()).ToCString(),
         String::Handle(script.Source()).ToCString());
   }
   library.SetLoadInProgress();
-  const Error& error = Error::Handle(Compiler::Compile(library, script));
+  // Do not tolerate malformed types in bootstrap scripts.
+  const Error& error = Error::Handle(
+      Compiler::Compile(library, script, ClassFinalizer::kGeneratingSnapshot));
   if (error.IsNull()) {
     library.SetLoaded();
   } else {
     library.SetLoadError();
   }
   return error.raw();
 }
 
 }  // namespace dart