test/SemaCXX/vararg-non-pod.cpp

   1 // RUN: clang-cc -fsyntax-only -verify -fblocks %s
   2
   3 extern char version[];
   4
   5 class C {
   6 public:
   7   C(int);
   8   void g(int a, ...);
   9   static void h(int a, ...);
  10 };
  11
  12 void g(int a, ...);
  13
  14 void t1()
  15 {
  16   C c(10);
  17
  18   g(10, c); // expected-warning{{cannot pass object of non-POD type 'class C' through variadic function; call will abort at runtime}}
  19   g(10, version);
  20 }
  21
  22 void t2()
  23 {
  24   C c(10);
  25
  26   c.g(10, c); // expected-warning{{cannot pass object of non-POD type 'class C' through variadic method; call will abort at runtime}}
  27   c.g(10, version);
  28
  29   C::h(10, c); // expected-warning{{cannot pass object of non-POD type 'class C' through variadic function; call will abort at runtime}}
  30   C::h(10, version);
  31 }
  32
  33 int (^block)(int, ...);
  34
  35 void t3()
  36 {
  37   C c(10);
  38
  39   block(10, c); // expected-warning{{cannot pass object of non-POD type 'class C' through variadic block; call will abort at runtime}}
  40   block(10, version);
  41 }
  42
  43 class D {
  44 public:
  45   void operator() (int a, ...);
  46 };
  47
  48 void t4()
  49 {
  50   C c(10);
  51
  52   D d;
  53
  54   d(10, c); // expected-warning{{Line 48: cannot pass object of non-POD type 'class C' through variadic method; call will abort at runtime}}
  55   d(10, version);
  56 }