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comparison clang/test/SemaTemplate/instantiate-call.cpp @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2
3 namespace N1 {
4 struct X0 { };
5
6 int& f0(X0);
7 }
8
9 namespace N2 {
10 char& f0(char);
11
12 template<typename T, typename Result>
13 struct call_f0 {
14 void test_f0(T t) {
15 Result result = f0(t);
16 }
17 };
18 }
19
20 template struct N2::call_f0<int, char&>;
21 template struct N2::call_f0<N1::X0, int&>;
22
23 namespace N3 {
24 template<typename T, typename Result>
25 struct call_f0 {
26 void test_f0(T t) {
27 Result &result = f0(t); // expected-error {{undeclared identifier}} \
28 expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
29 }
30 };
31 }
32
33 template struct N3::call_f0<int, char&>; // expected-note{{instantiation}}
34 template struct N3::call_f0<N1::X0, int&>;
35
36 short& f0(char); // expected-note {{should be declared prior to the call site}}
37 namespace N4 {
38 template<typename T, typename Result>
39 struct call_f0 {
40 void test_f0(T t) {
41 Result &result = f0(t);
42 }
43 };
44 }
45
46 template struct N4::call_f0<int, short&>;
47 template struct N4::call_f0<N1::X0, int&>;
48 template struct N3::call_f0<int, short&>; // expected-note{{instantiation}}
49
50 // FIXME: test overloaded function call operators, calls to member
51 // functions, etc.