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{{member reference type 'int *' is a pointer; did you mean to use '->'?}} |
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 | |