Limit handle scope to the loop in order to avoid creation of large number of handles when finalizin…

runtime/vm/class_finalizer.cc

 // Copyright (c) 2013, 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/class_finalizer.h"
 
 #include "vm/flags.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
@@ skipping 1354 matching lines @@
   if (FLAG_trace_class_finalization) {
     OS::Print("done mixin appl %s %s extending %s\n",
               String::Handle(cls.Name()).ToCString(),
               TypeArguments::Handle(cls.type_parameters()).ToCString(),
               AbstractType::Handle(cls.super_type()).ToCString());
   }
 }
 
 
 void ClassFinalizer::FinalizeClass(const Class& cls) {
+  HANDLESCOPE(Isolate::Current());
   if (cls.is_finalized()) {
     return;
   }
   if (FLAG_trace_class_finalization) {
     OS::Print("Finalize %s\n", cls.ToCString());
   }
   if (!IsSuperCycleFree(cls)) {
     const String& name = String::Handle(cls.Name());
     const Script& script = Script::Handle(cls.script());
     ReportError(script, cls.token_pos(),
@@ skipping 599 matching lines @@
 void ClassFinalizer::ReportError(const char* format, ...) {
   va_list args;
   va_start(args, format);
   const Error& error = Error::Handle(
       Parser::FormatError(Script::Handle(), -1, "Error", format, args));
   va_end(args);
   ReportError(error);
 }
 
 }  // namespace dart