clang/test/CXX/expr/expr.post/expr.call/p7-0x.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
   2
   3 struct X1 {
   4   X1();
   5 };
   6
   7 struct X2 {
   8   X2();
   9   ~X2();
  10 };
  11
  12 struct X3 {
  13   X3(const X3&) = default;
  14 };
  15
  16 struct X4 {
  17   X4(const X4&) = default;
  18   X4(X4&);
  19 };
  20
  21 void vararg(...);
  22
  23 void g();
  24
  25 void 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
  36 namespace PR11131 {
  37   struct S;
  38
  39   S &getS();
  40
  41   int f(...);
  42
  43   void g() {
  44     (void)sizeof(f(getS()));
  45   }
  46 }