1// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2// RUN: %clang_cc1 -fsyntax-only -std=c++1y -verify %s -DCXX1Y 3 4#ifndef CXX1Y 5 6template<typename T, typename U, U> using alias_ref = T; 7template<typename T, typename U, U> void func_ref() {} 8template<typename T, typename U, U> struct class_ref {}; 9 10template<int N> 11struct U { 12 static int a; 13}; 14 15template<int N> struct S; // expected-note 6{{here}} 16 17template<int N> 18int U<N>::a = S<N>::kError; // expected-error 6{{undefined}} 19 20template<typename T> 21void f() { 22 (void)alias_ref<int, int&, U<0>::a>(); // expected-note {{here}} 23 (void)func_ref<int, int&, U<1>::a>(); // expected-note {{here}} 24 (void)class_ref<int, int&, U<2>::a>(); // expected-note {{here}} 25}; 26 27 28template<int N> 29void fi() { 30 (void)alias_ref<int, int&, U<N>::a>(); // expected-note {{here}} 31 (void)func_ref<int, int&, U<N+1>::a>(); // expected-note {{here}} 32 (void)class_ref<int, int&, U<N+2>::a>(); // expected-note {{here}} 33}; 34 35int main() { 36 f<int>(); // NOTE: Non-dependent name uses are type-checked at template definition time. 37 fi<10>(); // expected-note 3{{here}} 38} 39 40namespace N { 41 template<typename T> struct S { static int n; }; 42 template<typename T> int S<T>::n = 5; 43 void g(int*); 44 template<typename T> int f() { 45 int k[S<T>::n]; 46 g(k); 47 return k[3]; 48 } 49 int j = f<int>(); 50} 51 52#else 53// expected-no-diagnostics 54 55namespace { template<typename> extern int n; } 56template<typename T> int g() { return n<int>; } 57 58#endif 59 60