99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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namespace PR5557 {
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template <class T> struct A {
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A();
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virtual void anchor();
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virtual int a(T x);
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};
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template<class T> A<T>::A() {}
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template<class T> void A<T>::anchor() { }
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template<class T> int A<T>::a(T x) {
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return *x; // expected-error{{requires pointer operand}}
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}
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void f(A<int> x) {
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x.anchor(); // expected-note{{instantiation}}
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}
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template<typename T>
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struct X {
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virtual void f();
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};
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template<>
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void X<int>::f() { }
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}
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template<typename T>
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struct Base {
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virtual ~Base() {
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int *ptr = 0;
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T t = ptr; // expected-error{{cannot initialize}}
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}
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};
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template<typename T>
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struct Derived : Base<T> {
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virtual void foo() { }
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};
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template struct Derived<int>; // expected-note {{in instantiation of member function 'Base<int>::~Base' requested here}}
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template<typename T>
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struct HasOutOfLineKey {
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HasOutOfLineKey() { }
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virtual T *f(float *fp);
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};
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template<typename T>
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T *HasOutOfLineKey<T>::f(float *fp) {
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return fp; // expected-error{{cannot initialize return object of type 'int *' with an lvalue of type 'float *'}}
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}
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HasOutOfLineKey<int> out_of_line; // expected-note{{in instantiation of member function 'HasOutOfLineKey<int>::f' requested here}}
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namespace std {
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class type_info;
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}
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namespace PR7114 {
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class A { virtual ~A(); }; // expected-note{{declared private here}}
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template<typename T>
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class B {
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public:
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class Inner : public A { }; // expected-error{{base class 'PR7114::A' has private destructor}}
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static Inner i;
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static const unsigned value = sizeof(i) == 4;
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};
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int f() { return B<int>::value; }
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void test_typeid(B<float>::Inner bfi) {
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(void)typeid(bfi); // expected-note{{implicit destructor}}
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}
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template<typename T>
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struct X : A {
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void f() { }
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};
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void test_X(X<int> xi, X<float> xf) {
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xi.f();
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}
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}
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namespace DynamicCast {
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struct Y {};
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template<typename T> struct X : virtual Y {
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virtual void foo() { T x; } // expected-error {{variable has incomplete type 'void'}}
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};
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template<typename T> struct X2 : virtual Y {
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virtual void foo() { T x; }
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};
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Y* f(X<void>* x) { return dynamic_cast<Y*>(x); } // expected-note {{in instantiation of member function 'DynamicCast::X<void>::foo' requested here}}
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Y* f2(X<void>* x) { return dynamic_cast<Y*>(x); }
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}
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