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48 lines
1.5 KiB
48 lines
1.5 KiB
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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template<typename T> inline void f(T) { }
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template void f(int); // expected-note{{previous explicit instantiation}}
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template void f(int); // expected-error{{duplicate explicit instantiation}}
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template<typename T>
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struct X0 {
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union Inner { };
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void f(T) { }
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static T value;
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};
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template<typename T>
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T X0<T>::value = 3.14; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 3.14 to 3}}
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template struct X0<int>; // expected-note{{previous explicit instantiation}} \
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expected-note{{requested here}}
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template struct X0<int>; // expected-error{{duplicate explicit instantiation}}
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template void X0<float>::f(float); // expected-note{{previous explicit instantiation}}
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template void X0<float>::f(float); // expected-error{{duplicate explicit instantiation}}
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template union X0<float>::Inner; // expected-note{{previous explicit instantiation}}
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template union X0<float>::Inner; // expected-error{{duplicate explicit instantiation}}
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template float X0<float>::value; // expected-note{{previous explicit instantiation}}
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template float X0<float>::value; // expected-error{{duplicate explicit instantiation}}
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// Make sure that we don't get tricked by redeclarations of nested classes.
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namespace NestedClassRedecls {
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template<typename T>
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struct X {
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struct Nested;
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friend struct Nested;
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struct Nested {
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Nested() {}
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} nested;
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};
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X<int> xi;
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template struct X<int>;
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}
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