40 lines
1 KiB
C++
40 lines
1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
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template<typename T, typename U, U> using alias_ref = T;
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template<typename T, typename U, U> void func_ref() {}
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template<typename T, typename U, U> struct class_ref {};
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template<int N>
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struct U {
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static int a;
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};
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template<int N> struct S; // expected-note 2{{here}}
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template<int N>
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int U<N>::a = S<N>::kError; // expected-error 2{{undefined}}
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template<typename T>
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void f() {
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// FIXME: The standard suggests that U<0>::a is odr-used by this expression,
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// but it's not entirely clear that's the right behaviour.
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(void)alias_ref<int, int&, U<0>::a>();
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(void)func_ref<int, int&, U<1>::a>(); // expected-note {{here}}
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(void)class_ref<int, int&, U<2>::a>(); // expected-note {{here}}
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};
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int main() {
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f<int>(); // expected-note 2{{here}}
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}
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namespace N {
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template<typename T> struct S { static int n; };
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template<typename T> int S<T>::n = 5;
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void g(int*);
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template<typename T> int f() {
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int k[S<T>::n];
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g(k);
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return k[3];
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}
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int j = f<int>();
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}
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