Reland "Compilation type and state allocate an unnecessary Smi on v8::Script" (r15940).

src/liveedit.cc

 // Copyright 2012 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 1539 matching lines @@
 
   Handle<String> original_source(String::cast(original->source()));
   Handle<Script> copy = isolate->factory()->NewScript(original_source);
 
   copy->set_name(original->name());
   copy->set_line_offset(original->line_offset());
   copy->set_column_offset(original->column_offset());
   copy->set_data(original->data());
   copy->set_type(original->type());
   copy->set_context_data(original->context_data());
-  copy->set_compilation_type(original->compilation_type());
   copy->set_eval_from_shared(original->eval_from_shared());
   copy->set_eval_from_instructions_offset(
       original->eval_from_instructions_offset());
 
+  // Copy all the flags, but clear compilation state.
+  copy->set_flags(original->flags());
+  copy->set_compilation_state(Script::COMPILATION_STATE_INITIAL);
+
   return copy;
 }
 
 
 Object* LiveEdit::ChangeScriptSource(Handle<Script> original_script,
                                      Handle<String> new_source,
                                      Handle<Object> old_script_name) {
   Isolate* isolate = original_script->GetIsolate();
   Handle<Object> old_script_object;
   if (old_script_name->IsString()) {
@@ skipping 549 matching lines @@
 
 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) {
   return false;
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 
 } }  // namespace v8::internal