Only flush code when there are no heap allocated locals in the scopeinfo....

src/scopeinfo.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 390 matching lines @@
     Object** p = ContextEntriesAddr(code);
     int n;  // number of context slots;
     ReadInt(p, &n);
     return n + Context::MIN_CONTEXT_SLOTS;
   }
   return 0;
 }
 
 
 template<class Allocator>
+bool ScopeInfo<Allocator>::HasHeapAllocatedLocals(Code* code) {
+  if (code->sinfo_size() > 0) {
+    Object** p = ContextEntriesAddr(code);
+    int n;  // number of context slots;
+    ReadInt(p, &n);
+    return n > 0;
+  }
+  return false;
+}
+
+
+template<class Allocator>
 int ScopeInfo<Allocator>::StackSlotIndex(Code* code, String* name) {
   ASSERT(name->IsSymbol());
   if (code->sinfo_size() > 0) {
     // Loop below depends on the NULL sentinel after the stack slot names.
     ASSERT(NumberOfStackSlots(code) > 0 ||
            *(StackSlotEntriesAddr(code) + 1) == NULL);
     // slots start after length entry
     Object** p0 = StackSlotEntriesAddr(code) + 1;
     Object** p = p0;
     while (*p != NULL) {
@@ skipping 219 matching lines @@
 }
 #endif  // DEBUG
 
 
 // Make sure the classes get instantiated by the template system.
 template class ScopeInfo<FreeStoreAllocationPolicy>;
 template class ScopeInfo<PreallocatedStorage>;
 template class ScopeInfo<ZoneListAllocationPolicy>;
 
 } }  // namespace v8::internal