p7-0x.cpp revision c99b90edb85ea0a5be6ce567a8c0147b76534e15 
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2
3struct X1 {
4  X1();
5};
6
7struct X2 {
8  X2();
9  ~X2();
10};
11
12struct X3 {
13  X3(const X3&) = default;
14};
15
16struct X4 {
17  X4(const X4&) = default;
18  X4(X4&);
19};
20
21void vararg(...);
22
23void g();
24
25void f(X1 x1, X2 x2, X3 x3, X4 x4) {
26  vararg(x1); // OK
27  vararg(x2); // expected-error{{cannot pass object of non-trivial type 'X2' through variadic function; call will abort at runtime}}
28  vararg(x3); // OK
29  vararg(x4); // expected-error{{cannot pass object of non-trivial type 'X4' through variadic function; call will abort at runtime}}
30
31  vararg(g()); // expected-error{{cannot pass expression of type 'void' to variadic function}}
32  vararg({1, 2, 3}); // expected-error{{cannot pass initializer list to variadic function}}
33}
34
35
36namespace PR11131 {
37  struct S;
38
39  S &getS();
40
41  int f(...);
42
43  void g() {
44    (void)sizeof(f(getS()));
45  }
46}
47