gcc/testsuite/gcc.c-torture/execute/991019-1.c

   1 void abort (void);
   2 void exit (int);
   3
   4 typedef struct {
   5      double epsilon;
   6 } material_type;
   7
   8 material_type foo(double x)
   9 {
  10      material_type m;
  11
  12      m.epsilon = 1.0 + x;
  13      return m;
  14 }
  15
  16 int
  17 main(void)
  18 {
  19   int i;
  20   material_type x;
  21
  22   /* We must iterate enough times to overflow the FP stack on the
  23      x86.  */
  24   for (i = 0; i < 10; i++)
  25     {
  26       x = foo (1.0);
  27       if (x.epsilon != 1.0 + 1.0)
  28         abort ();
  29     }
  30
  31   exit (0);
  32 }