Richard Smith | f6702a3 | 2011-12-20 02:08:33 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s |
| 2 | |
| 3 | template<typename T, typename U, U> using alias_ref = T; |
| 4 | template<typename T, typename U, U> void func_ref() {} |
| 5 | template<typename T, typename U, U> struct class_ref {}; |
| 6 | |
| 7 | template<int N> |
| 8 | struct U { |
| 9 | static int a; |
| 10 | }; |
| 11 | |
| 12 | template<int N> struct S; // expected-note 2{{here}} |
| 13 | |
| 14 | template<int N> |
| 15 | int U<N>::a = S<N>::kError; // expected-error 2{{undefined}} |
| 16 | |
| 17 | template<typename T> |
| 18 | void f() { |
| 19 | // FIXME: The standard suggests that U<0>::a is odr-used by this expression, |
| 20 | // but it's not entirely clear that's the right behaviour. |
| 21 | (void)alias_ref<int, int&, U<0>::a>(); |
| 22 | (void)func_ref<int, int&, U<1>::a>(); // expected-note {{here}} |
| 23 | (void)class_ref<int, int&, U<2>::a>(); // expected-note {{here}} |
| 24 | }; |
| 25 | |
| 26 | int main() { |
| 27 | f<int>(); // expected-note 2{{here}} |
| 28 | } |
| 29 | |
| 30 | namespace N { |
| 31 | template<typename T> struct S { static int n; }; |
| 32 | template<typename T> int S<T>::n = 5; |
| 33 | void g(int*); |
| 34 | template<typename T> int f() { |
| 35 | int k[S<T>::n]; |
| 36 | g(k); |
| 37 | return k[3]; |
| 38 | } |
| 39 | int j = f<int>(); |
| 40 | } |