1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2 3 // PR10127/N3031 4 struct A { ~A(); }; 5 struct B {}; 6 template<typename T> 7 void b(const T *x, const A *y) { 8 x->~decltype(T())(); 9 x->~decltype(*x)(); // expected-error{{the type of object expression ('const int') does not match the type being destroyed ('decltype(*x)' (aka 'const int &')) in pseudo-destructor expression}} \ 10 expected-error{{no member named '~const A &' in 'A'}} 11 x->~decltype(int())(); // expected-error{{no member named '~int' in 'A'}} 12 13 y->~decltype(*y)(); // expected-error{{destructor type 'decltype(*y)' (aka 'const A &') in object destruction expression does not match the type 'const A' of the object being destroyed}} 14 y->~decltype(T())(); // expected-error{{destructor type 'decltype(T())' in object destruction expression does not match the type 'const A' of the object being destroyed}} 15 y->~decltype(A())(); 16 } 17 template void b(const int*, const A*); // expected-note{{in instantiation of function template specialization 'b<int>' requested here}} 18 template void b(const A*,const A*); // expected-note{{in instantiation of function template specialization 'b<A>' requested here}} 19 void a(const A *x, int i, int *pi) { 20 x->~decltype(A())(); 21 x->~decltype(*x)(); // expected-error{{destructor type 'decltype(*x)' (aka 'const A &') in object destruction expression does not match the type 'const A' of the object being destroyed}} 22 x->~decltype()(); // expected-error{{expected expression}} 23 x->~decltype(B())(); // expected-error{{destructor type 'decltype(B())' (aka 'B') in object destruction expression does not match the type 'const A' of the object being destroyed}} 24 x->~decltype(x)(); // expected-error{{destructor type 'decltype(x)' (aka 'const A *') in object destruction expression does not match the type 'const A' of the object being destroyed}} 25 // this last one could be better, mentioning that the nested-name-specifier could be removed or a type name after the ~ 26 x->::A::~decltype(*x)(); // expected-error{{expected a class name after '~' to name a destructor}} 27 y->~decltype(A())(); // expected-error{{use of undeclared identifier 'y'}} 28 29 typedef int *intp; 30 i->~decltype(int())(); // expected-error{{member reference type 'int' is not a pointer; did you mean to use '.'?}} 31 i.~decltype(int())(); 32 i->~decltype(intp())(); // expected-error{{member reference type 'int' is not a pointer; did you mean to use '.'?}} \ 33 expected-error{{the type of object expression ('int') does not match the type being destroyed ('decltype(intp())' (aka 'int *')) in pseudo-destructor expression}} 34 i.~decltype(intp())(); // expected-error{{the type of object expression ('int') does not match the type being destroyed ('decltype(intp())' (aka 'int *')) in pseudo-destructor expression}} 35 pi->~decltype(int())(); 36 pi.~decltype(int())(); // expected-error{{the type of object expression ('int *') does not match the type being destroyed ('decltype(int())' (aka 'int')) in pseudo-destructor expression}} 37 pi.~decltype(intp())(); 38 pi->~decltype(intp())(); // expected-error{{the type of object expression ('int') does not match the type being destroyed ('decltype(intp())' (aka 'int *')) in pseudo-destructor expression}} 39 } 40
