gcc/testsuite/gcc.c-torture/execute/pr68390.c

   1 /* { dg-do run }  */
   2 /* { dg-options "-O2" } */
   3
   4 __attribute__ ((noinline))
   5 double direct(int x, ...)
   6 {
   7   return x*x;
   8 }
   9
  10 __attribute__ ((noinline))
  11 double broken(double (*indirect)(int x, ...), int v)
  12 {
  13   return indirect(v);
  14 }
  15
  16 int main ()
  17 {
  18   double d1, d2;
  19   int i = 2;
  20   d1 = broken (direct, i);
  21   if (d1 != i*i)
  22     {
  23       __builtin_abort ();
  24     }
  25   return 0;
  26 }
  27