gcc/testsuite/gcc.dg/torture/pr67253.c

   1 /* { dg-do run } */
   2
   3 int *a, b, c, **d = &a, e, f, **h, i, j, k, l, m, *n, o, **q, r, s;
   4
   5 void fn1 (int p) { }
   6
   7 void
   8 fn3 ()
   9 {
  10   for (; j; j++)
  11     for (; k; k++)
  12       l++;
  13   f++;
  14 }
  15
  16 static int
  17 fn4 (char p1, int *p2)
  18 {
  19   for (; m < 1;)
  20     {
  21       fn1 (q == &p2);
  22       for (; o; o++)
  23         ;
  24       n = p2;
  25       return 0;
  26     }
  27   for (;;)
  28     {
  29       for (; s; s++)
  30         b = r;
  31       *d = 0;
  32     }
  33 }
  34
  35 static int *fn2 (char, int, int *);
  36
  37 static int
  38 fn5 ()
  39 {
  40   int *g = &c;
  41   fn3 ();
  42   fn2 (0, 0, g);
  43   return e;
  44 }
  45
  46 static int *
  47 fn2 (char p1, int p2, int *p3)
  48 {
  49   fn4 (0, p3);
  50   fn1 (&p3 == h);
  51   for (; i;)
  52     fn5 ();
  53   fn4 (0, p3);
  54   return *d;
  55 }
  56
  57 int
  58 main ()
  59 {
  60   fn5 ();
  61   return 0;
  62 }