forked from OSchip/llvm-project
43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
|
|
|
|
// prvalue
|
|
void prvalue() {
|
|
auto&& x = []()->void { };
|
|
auto& y = []()->void { }; // expected-error{{cannot bind to a temporary of type}}
|
|
}
|
|
|
|
namespace std {
|
|
class type_info;
|
|
}
|
|
|
|
struct P {
|
|
virtual ~P();
|
|
};
|
|
|
|
void unevaluated_operand(P &p, int i) {
|
|
int i2 = sizeof([]()->void{}()); // expected-error{{lambda expression in an unevaluated operand}}
|
|
const std::type_info &ti1 = typeid([&]() -> P& { return p; }());
|
|
const std::type_info &ti2 = typeid([&]() -> int { return i; }()); // expected-error{{lambda expression in an unevaluated operand}}
|
|
}
|
|
|
|
template<typename T>
|
|
struct Boom {
|
|
Boom(const Boom&) {
|
|
T* x = 1; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}} \
|
|
// expected-error{{cannot initialize a variable of type 'float *' with an rvalue of type 'int'}} \
|
|
// expected-error{{cannot initialize a variable of type 'double *' with an rvalue of type 'int'}}
|
|
}
|
|
void tickle() const;
|
|
};
|
|
|
|
void odr_used(P &p, Boom<int> boom_int, Boom<float> boom_float,
|
|
Boom<double> boom_double) {
|
|
const std::type_info &ti1
|
|
= typeid([=,&p]() -> P& { boom_int.tickle(); return p; }()); // expected-note{{in instantiation of member function 'Boom<int>::Boom' requested here}}
|
|
const std::type_info &ti2
|
|
= typeid([=]() -> int { boom_float.tickle(); return 0; }()); // expected-error{{lambda expression in an unevaluated operand}} \
|
|
// expected-note{{in instantiation of member function 'Boom<float>::Boom' requested here}}
|
|
|
|
auto foo = [=]() -> int { boom_double.tickle(); return 0; }; // expected-note{{in instantiation of member function 'Boom<double>::Boom' requested here}}
|
|
}
|