gcc/testsuite/gcc.target/i386/pr40718.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target ia32 } */
   3 /* { dg-options "-O1 -foptimize-sibling-calls" } */
   4
   5 void abort (void);
   6
   7 struct S
   8 {
   9   void (__attribute__((__stdcall__)) *f) (struct S *);
  10   int i;
  11 };
  12
  13 void __attribute__((__stdcall__))
  14 foo (struct S *s)
  15 {
  16   s->i++;
  17 }
  18
  19 void __attribute__((__stdcall__))
  20 bar (struct S *s)
  21 {
  22   foo(s);
  23   s->f(s);
  24 }
  25
  26 int main (void)
  27 {
  28   struct S s = { foo, 0 };
  29
  30   bar (&s);
  31   if (s.i != 2)
  32     abort ();
  33
  34   return 0;
  35 }
  36