p5.cpp source code [clang_source_code/test/CXX/temp/temp.spec/p5.cpp]

1	// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3	template<typename T> inline void f(T) { }
4	template void f(int); // expected-note{{previous explicit instantiation}}
5	template void f(int); // expected-error{{duplicate explicit instantiation}}
6
7	template<typename T>
8	struct X0 {
9	union Inner { };
10
11	void f(T) { }
12
13	static T value;
14	};
15
16	template<typename T>
17	T X0<T>::value = 3.14; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 3.14 to 3}}
18
19	template struct X0<int>; // expected-note{{previous explicit instantiation}} \
20	expected-note{{requested here}}
21	template struct X0<int>; // expected-error{{duplicate explicit instantiation}}
22
23	template void X0<float>::f(float); // expected-note{{previous explicit instantiation}}
24	template void X0<float>::f(float); // expected-error{{duplicate explicit instantiation}}
25
26	template union X0<float>::Inner; // expected-note{{previous explicit instantiation}}
27	template union X0<float>::Inner; // expected-error{{duplicate explicit instantiation}}
28
29	template float X0<float>::value; // expected-note{{previous explicit instantiation}}
30	template float X0<float>::value; // expected-error{{duplicate explicit instantiation}}
31
32	// Make sure that we don't get tricked by redeclarations of nested classes.
33	namespace NestedClassRedecls {
34	template<typename T>
35	struct X {
36	struct Nested;
37	friend struct Nested;
38
39	struct Nested {
40	Nested() {}
41	} nested;
42	};
43
44	X<int> xi;
45
46	template struct X<int>;
47	}
48

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