llvm-project/clang/test/SemaTemplate/instantiate-expr-4.cpp

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// RUN: clang-cc -fsyntax-only -verify %s
// ---------------------------------------------------------------------
// C++ Functional Casts
// ---------------------------------------------------------------------
template<int N>
struct ValueInit0 {
int f() {
return int();
}
};
template struct ValueInit0<5>;
template<int N>
struct FunctionalCast0 {
int f() {
return int(N);
}
};
template struct FunctionalCast0<5>;
struct X { // expected-note 2 {{candidate function}}
X(int, int); // expected-note 2 {{candidate function}}
};
template<int N, int M>
struct BuildTemporary0 {
X f() {
return X(N, M);
}
};
template struct BuildTemporary0<5, 7>;
template<int N, int M>
struct Temporaries0 {
void f() {
(void)X(N, M);
}
};
template struct Temporaries0<5, 7>;
// ---------------------------------------------------------------------
// new/delete expressions
// ---------------------------------------------------------------------
struct Y { };
template<typename T>
struct New0 {
T* f(bool x) {
if (x)
return new T; // expected-error{{no matching}}
else
return new T();
}
};
template struct New0<int>;
template struct New0<Y>;
template struct New0<X>; // expected-note{{instantiation}}
template<typename T, typename Arg1>
struct New1 {
T* f(bool x, Arg1 a1) {
return new T(a1); // expected-error{{no matching}}
}
};
template struct New1<int, float>;
template struct New1<Y, Y>;
template struct New1<X, Y>; // expected-note{{instantiation}}
template<typename T, typename Arg1, typename Arg2>
struct New2 {
T* f(bool x, Arg1 a1, Arg2 a2) {
return new T(a1, a2); // expected-error{{no matching}}
}
};
template struct New2<X, int, float>;
template struct New2<X, int, int*>; // expected-note{{instantiation}}
// FIXME: template struct New2<int, int, float>;
template<typename T>
struct Delete0 {
void f(T t) {
delete t; // expected-error{{cannot delete}}
::delete [] t;
}
};
template struct Delete0<int*>;
template struct Delete0<X*>;
template struct Delete0<int>; // expected-note{{instantiation}}