gcc/testsuite/gcc.dg/torture/pr66413.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-g" } */
   3
   4 int a, b, c, d, i, j, q, *e, *h, *k, *r, **p = &e;
   5 const int *f, **n = &f;
   6 static int g;
   7
   8 void
   9 fn1 (int p1)
  10 {
  11   c = p1;
  12 }
  13
  14 static int *
  15 fn2 (int *p1, const int *p2)
  16 {
  17   if (g)
  18     n = &p2;
  19   *n = p2;
  20   int o[245];
  21   fn1 (o != p2);
  22   return p1;
  23 }
  24
  25 static int *
  26 fn3 ()
  27 {
  28   int s[54], *t = &s[0], u = 0, v = 1;
  29   h = &v;
  30   q = 1;
  31   for (; q; q++)
  32     {
  33       int *w[] = { &u };
  34       for (; v;)
  35         return *p;
  36     }
  37   *r = *t + b >= 0;
  38   return *p;
  39 }
  40
  41 static int
  42 fn4 (int *p1)
  43 {
  44   int *l[2], **m[7];
  45   for (; i < 1; i++)
  46     for (; j < 1; j++)
  47       m[i * 70] = &l[0];
  48   k = fn3 ();
  49   fn2 (0, p1);
  50   if ((m[0] == 0) & a)
  51     for (;;)
  52       ;
  53   return 0;
  54 }
  55
  56 int
  57 main ()
  58 {
  59   fn4 (&d);
  60   return 0;
  61 }