| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | namespace N1 { |
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| 4 | struct X0 { }; |
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| 5 | |
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| 6 | int& f0(X0); |
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| 7 | } |
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| 8 | |
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| 9 | namespace N2 { |
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| 10 | char& f0(char); |
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| 11 | |
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| 12 | template<typename T, typename Result> |
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| 13 | struct call_f0 { |
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| 14 | void test_f0(T t) { |
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| 15 | Result result = f0(t); |
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| 16 | } |
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| 17 | }; |
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| 18 | } |
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| 19 | |
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| 20 | template struct N2::call_f0<int, char&>; |
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| 21 | template struct N2::call_f0<N1::X0, int&>; |
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| 22 | |
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| 23 | namespace N3 { |
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| 24 | template<typename T, typename Result> |
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| 25 | struct call_f0 { |
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| 26 | void test_f0(T t) { |
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| 27 | Result &result = f0(t); // expected-error {{undeclared identifier}} \ |
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| 28 | expected-error {{neither visible in the template definition nor found by argument-dependent lookup}} |
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| 29 | } |
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| 30 | }; |
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| 31 | } |
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| 32 | |
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| 33 | template struct N3::call_f0<int, char&>; // expected-note{{instantiation}} |
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| 34 | template struct N3::call_f0<N1::X0, int&>; |
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| 35 | |
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| 36 | short& f0(char); // expected-note {{should be declared prior to the call site}} |
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| 37 | namespace N4 { |
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| 38 | template<typename T, typename Result> |
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| 39 | struct call_f0 { |
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| 40 | void test_f0(T t) { |
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| 41 | Result &result = f0(t); |
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| 42 | } |
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| 43 | }; |
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| 44 | } |
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| 45 | |
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| 46 | template struct N4::call_f0<int, short&>; |
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| 47 | template struct N4::call_f0<N1::X0, int&>; |
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| 48 | template struct N3::call_f0<int, short&>; // expected-note{{instantiation}} |
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| 49 | |
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| 50 | // FIXME: test overloaded function call operators, calls to member |
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| 51 | // functions, etc. |
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| 52 | |
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