| Index: src/objects.cc
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| diff --git a/src/objects.cc b/src/objects.cc
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| index 82336652b20c7e5ef312e3b29a6a848a7b4cab76..95b6c36dd19bb9907a2cb888a2cff856bb983c6a 100644
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| --- a/src/objects.cc
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| +++ b/src/objects.cc
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| @@ -12822,22 +12822,13 @@ int Script::GetLineNumber(int code_pos) {
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|  
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|  Handle<Object> Script::GetNameOrSourceURL(Handle<Script> script) {
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|    Isolate* isolate = script->GetIsolate();
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| -  Handle<String> name_or_source_url_key =
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| -      isolate->factory()->InternalizeOneByteString(
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| -          STATIC_CHAR_VECTOR("nameOrSourceURL"));
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| -  Handle<JSObject> script_wrapper = Script::GetWrapper(script);
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| -  Handle<Object> property =
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| -      JSReceiver::GetProperty(script_wrapper, name_or_source_url_key)
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| -          .ToHandleChecked();
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| -  DCHECK(property->IsJSFunction());
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| -  Handle<Object> result;
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| -  // Do not check against pending exception, since this function may be called
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| -  // when an exception has already been pending.
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| -  if (!Execution::TryCall(isolate, property, script_wrapper, 0, NULL)
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| -           .ToHandle(&result)) {
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| -    return isolate->factory()->undefined_value();
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| +
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| +  // Keep in sync with ScriptNameOrSourceURL in messages.js.
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| +
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| +  if (!script->source_url()->IsUndefined(isolate)) {
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| +    return handle(script->source_url(), isolate);
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|    }
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| -  return result;
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| +  return handle(script->name(), isolate);
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|  }
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|  
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|  
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| 
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