// { dg-do compile } // PR c++/2922 namespace tpl_ { template<class T> char test(T); template<class T> struct check { static T const t; enum { value = 1 == sizeof(test(t)) }; }; double test(int); } bool const two_phase_lookup_supported = tpl_::check<int>::value; int compile_time_assert[two_phase_lookup_supported ? 1 : -1];