[google] Remove unqualified lookups which break clang (issue4439085)

[Paolo Carlini]

On 05/02/2011 05:19 PM, Paolo Carlini wrote:
> template<typename T>
>   struct base
>   {
>     void bar(T) { }
>   };
>
> template<typename T>
>   struct derived
>   : base<T>
>   {
>     void
>     foo(T t)
>     { bar(t); }
>   };
>
> template class derived<int>;
Gosh, c++/24163

Paolo.