p2.cpp revision b326ca8ffbea96f9cc8a457b0f57be880304a6f5 
1// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
2
3// prvalue
4void prvalue() {
5  auto&& x = []()->void { };
6  auto& y = []()->void { }; // expected-error{{cannot bind to a temporary of type}}
7}
8
9namespace std {
10  class type_info;
11}
12
13struct P {
14  virtual ~P();
15};
16
17void unevaluated_operand(P &p, int i) {
18  int i2 = sizeof([]()->void{}()); // expected-error{{lambda expression in an unevaluated operand}}
19  const std::type_info &ti1 = typeid([&]() -> P& { return p; }());
20  const std::type_info &ti2 = typeid([&]() -> int { return i; }());  // expected-error{{lambda expression in an unevaluated operand}}
21}
22
23template<typename T>
24struct Boom {
25  Boom(const Boom&) {
26    T* x = 1; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}} \
27    // expected-error{{cannot initialize a variable of type 'float *' with an rvalue of type 'int'}} \
28    // expected-error{{cannot initialize a variable of type 'double *' with an rvalue of type 'int'}}
29  }
30  void tickle() const;
31};
32
33void odr_used(P &p, Boom<int> boom_int, Boom<float> boom_float,
34              Boom<double> boom_double) {
35  const std::type_info &ti1
36    = typeid([=,&p]() -> P& { boom_int.tickle(); return p; }()); // expected-note{{in instantiation of member function 'Boom<int>::Boom' requested here}}
37  const std::type_info &ti2
38    = typeid([=]() -> int { boom_float.tickle(); return 0; }()); // expected-error{{lambda expression in an unevaluated operand}} \
39  // expected-note{{in instantiation of member function 'Boom<float>::Boom' requested here}}
40
41  auto foo = [=]() -> int { boom_double.tickle(); return 0; }; // expected-note{{in instantiation of member function 'Boom<double>::Boom' requested here}}
42}
43