derek.holloway
7502bf64a4
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40 lines
3.1 KiB
C++
40 lines
3.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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// PR10127/N3031
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struct A { ~A(); };
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struct B {};
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template<typename T>
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void b(const T *x, const A *y) {
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x->~decltype(T())();
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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}} \
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expected-error{{no member named '~const A &' in 'A'}}
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x->~decltype(int())(); // expected-error{{no member named '~int' in 'A'}}
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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}}
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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}}
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y->~decltype(A())();
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}
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template void b(const int*, const A*); // expected-note{{in instantiation of function template specialization 'b<int>' requested here}}
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template void b(const A*,const A*); // expected-note{{in instantiation of function template specialization 'b<A>' requested here}}
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void a(const A *x, int i, int *pi) {
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x->~decltype(A())();
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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}}
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x->~decltype()(); // expected-error{{expected expression}}
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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}}
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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}}
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// this last one could be better, mentioning that the nested-name-specifier could be removed or a type name after the ~
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x->::A::~decltype(*x)(); // expected-error{{expected a class name after '~' to name a destructor}}
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y->~decltype(A())(); // expected-error{{use of undeclared identifier 'y'}}
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typedef int *intp;
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i->~decltype(int())(); // expected-error{{member reference type 'int' is not a pointer; did you mean to use '.'?}}
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i.~decltype(int())();
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i->~decltype(intp())(); // expected-error{{member reference type 'int' is not a pointer; did you mean to use '.'?}} \
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expected-error{{the type of object expression ('int') does not match the type being destroyed ('decltype(intp())' (aka 'int *')) in pseudo-destructor expression}}
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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}}
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pi->~decltype(int())();
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pi.~decltype(int())(); // expected-error{{member reference type 'int *' is a pointer; did you mean to use '->'?}}
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pi.~decltype(intp())();
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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}}
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}
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