gcc/testsuite/gcc.dg/pr35616.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3 typedef void (*listener_fun)(
   4         int a,
   5         int b,
   6         int c);
   7
   8 struct data_t
   9 {
  10   int a;
  11
  12   listener_fun listener;
  13
  14   int b;
  15   int c;
  16   int d;
  17 };
  18
  19 extern void abort(void);
  20 void function_calling_listener (struct data_t data);
  21
  22 void function_calling_listener (struct data_t data)
  23 {
  24   data.listener(data.a, data.c, data.d);
  25 }
  26
  27 void my_listener(int a, int b, int c)
  28 {
  29   if (a != 42 || b != 44 || c != 45)
  30     abort ();
  31 }
  32
  33 int main()
  34 {
  35   struct data_t d;
  36   d.a = 42;
  37   d.b = 43;
  38   d.c = 44;
  39   d.d = 45;
  40   d.listener = my_listener;
  41   function_calling_listener (d);
  42   return 0;
  43 }