96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -std=c++17 -verify %s -fcxx-exceptions
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template<typename T>
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struct X0 {
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typedef T* type;
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void f0(T);
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void f1(type);
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};
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template<> void X0<char>::f0(char);
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template<> void X0<char>::f1(type);
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namespace PR6161 {
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template<typename _CharT>
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class numpunct : public locale::facet // expected-error{{use of undeclared identifier 'locale'}} \
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// expected-error{{expected class name}}
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{
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static locale::id id; // expected-error{{use of undeclared identifier}}
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};
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numpunct<char>::~numpunct();
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}
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namespace PR12331 {
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template<typename T> struct S {
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struct U { static const int n = 5; };
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enum E { e = U::n }; // expected-note {{implicit instantiation first required here}}
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int arr[e];
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};
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template<> struct S<int>::U { static const int n = sizeof(int); }; // expected-error {{explicit specialization of 'U' after instantiation}}
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}
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namespace PR18246 {
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template<typename T>
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class Baz {
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public:
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template<int N> void bar();
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};
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template<typename T>
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template<int N>
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void Baz<T>::bar() {
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}
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template<typename T>
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void Baz<T>::bar<0>() { // expected-error {{cannot specialize a member of an unspecialized template}}
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}
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}
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namespace PR19340 {
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template<typename T> struct Helper {
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template<int N> static void func(const T *m) {}
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};
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template<typename T> void Helper<T>::func<2>() {} // expected-error {{cannot specialize a member}}
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}
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namespace SpecLoc {
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template <typename T> struct A {
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static int n; // expected-note {{previous}}
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static void f(); // expected-note {{previous}}
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};
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template<> float A<int>::n; // expected-error {{different type}}
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template<> void A<int>::f() throw(); // expected-error {{does not match}}
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}
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namespace PR41607 {
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template<int N> struct Outer {
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template<typename...> struct Inner;
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template<> struct Inner<> {
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static constexpr int f() { return N; }
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};
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template<typename...> static int a;
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template<> static constexpr int a<> = N;
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template<typename...> static inline int b;
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template<> static inline constexpr int b<> = N;
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template<typename...> static constexpr int f();
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template<> static constexpr int f() {
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return N;
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}
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};
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static_assert(Outer<123>::Inner<>::f() == 123, "");
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static_assert(Outer<123>::Inner<>::f() != 125, "");
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static_assert(Outer<123>::a<> == 123, "");
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static_assert(Outer<123>::a<> != 125, "");
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static_assert(Outer<123>::b<> == 123, "");
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static_assert(Outer<123>::b<> != 125, "");
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static_assert(Outer<123>::f<>() == 123, "");
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static_assert(Outer<123>::f<>() != 125, "");
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}
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