gcc/testsuite/gcc.c-torture/execute/pr58277-2.c

   1 /* PR tree-optimization/58277 */
   2
   3 extern void abort (void);
   4 static int a[1], b, c, e, i, j, k, m, q[] = { 1, 1 }, t;
   5 int volatile d;
   6 int **r;
   7 static int ***volatile s = &r;
   8 int f, g, o, x;
   9 static int *volatile h = &f, *p;
  10 char n;
  11
  12 static void
  13 fn1 ()
  14 {
  15   b = a[a[a[a[a[a[a[a[b]]]]]]]];
  16   b = a[a[a[a[a[a[a[a[b]]]]]]]];
  17   b = a[a[b]];
  18   b = a[a[a[a[a[a[a[a[b]]]]]]]];
  19   b = a[a[a[a[a[a[a[a[b]]]]]]]];
  20 }
  21
  22 static int
  23 fn2 ()
  24 {
  25   n = 0;
  26   for (; g; t++)
  27     {
  28       for (;; m++)
  29         {
  30           d;
  31           int *u;
  32           int **v[] = {
  33             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  34             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  35             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  36             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  37             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  38             0, 0, 0, 0, 0, &u, 0, 0, 0, 0, &u, &u, &u, &u, &u, &u, &u, 0,
  39             &u, 0, &u, &u, &u, 0, &u, &u, 0, &u, &u, &u, &u, 0, &u, &u, &u,
  40             &u, &u, 0, &u, &u, 0, &u, 0, &u, &u, 0, &u, &u, &u, &u, &u, 0,
  41             &u, 0, 0, 0, &u, &u, &u, 0, 0, &u, &u, &u, 0, &u, 0, &u, &u
  42           };
  43           int ***w[] = { &v[0] };
  44           if (*p)
  45             break;
  46           return 0;
  47         }
  48       *h = 0;
  49     }
  50   return 1;
  51 }
  52
  53 static void
  54 fn3 ()
  55 {
  56   int *y[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
  57   for (; i; i++)
  58     x = 0;
  59   if (fn2 ())
  60     {
  61       int *z[6] = { };
  62       for (; n < 1; n++)
  63         *h = 0;
  64       int t1[7];
  65       for (; c; c++)
  66         o = t1[0];
  67       for (; e; e--)
  68         {
  69           int **t2 = &y[0];
  70           int ***t3 = &t2;
  71           *t3 = &z[0];
  72         }
  73     }
  74   *s = 0;
  75   for (n = 0;; n = 0)
  76     {
  77       int t4 = 0;
  78       if (q[n])
  79         break;
  80       *r = &t4;
  81     }
  82 }
  83
  84 int
  85 main ()
  86 {
  87   for (; j; j--)
  88     a[0] = 0;
  89   fn3 ();
  90   for (; k; k++)
  91     fn1 ();
  92   fn1 ();
  93
  94   if (n)
  95     abort ();
  96
  97   return 0;
  98 }