1 // { dg-do compile { target c++11 } } 2 3 4 // Test template deduction 5 6 template <typename T, typename U> struct tType_equal; 7 template <typename T> struct tType_equal<T, T> { typedef void type; }; 8 9 template <typename T, typename U> 10 inline typename tType_equal<T, U>::type 11 type_equal(U) { } 12 13 template<typename T> T* g( T* t ); // { dg-message "note" } 14 15 void test_g() 16 { 17 // Deduction to nullptr_t, no deduction to pointer type 18 // 19 g(nullptr); // { dg-error "no matching function for call to " } 20 // { dg-message "(candidate|mismatched types)" "candidate note" { target *-*-* } .-1 } 21 type_equal<float*>(g((float*)nullptr)); 22 decltype(nullptr) mynull = 0; 23 g(mynull); // { dg-error "no matching function for call to " } 24 // { dg-message "(candidate|mismatched types)" "candidate note" { target *-*-* } .-1 } 25 type_equal<float*>(g((float*)mynull)); 26 } 27