gcc/testsuite/gcc.c-torture/execute/pr58277-1.c

   1 /* PR tree-optimization/58277 */
   2
   3 extern void abort (void);
   4 static int a[2];
   5 int b, c, d, *e, f, g, h, **i = &e, k, l = 1, n, o, p;
   6 static int **volatile j = &e;
   7 const int m;
   8 char u;
   9
  10 int
  11 bar ()
  12 {
  13   u = 0;
  14   return m;
  15 }
  16
  17 __attribute__((noinline, noclone)) void
  18 baz ()
  19 {
  20   asm ("");
  21 }
  22
  23 static int
  24 foo ()
  25 {
  26   int t1;
  27   g = bar ();
  28   if (l)
  29     ;
  30   else
  31     for (;; h++)
  32       {
  33         *i = 0;
  34         o = *e = 0;
  35         if (p)
  36           {
  37             f = 0;
  38             return 0;
  39           }
  40         for (;; k++)
  41           {
  42             int *t2 = 0;
  43             int *const *t3[] = {
  44               0, 0, 0, 0, 0, 0, 0, 0, 0, &t2, 0, 0, &t2, &t2, &t2,
  45               &t2, &t2, 0, 0, 0, 0, 0, 0, 0, &t2, 0, 0, 0, 0, 0, 0,
  46               0, 0, 0, 0, &t2, 0, 0, 0, 0, 0, 0, 0, &t2, &t2,
  47               &t2, &t2, &t2, 0, 0, 0, 0, 0, 0, 0, &t2, 0, 0, 0,
  48               &t2, 0, 0, 0, &t2, 0, &t2, 0, 0, &t2, 0, 0, 0, 0,
  49               0, &t2, 0, 0, 0, 0, &t2, &t2, 0, 0, 0, 0, &t2, 0,
  50               0, 0, 0, 0, 0, 0, &t2, 0, 0, 0, 0, 0, &t2, 0, 0, 0,
  51               &t2, &t2
  52             };
  53             int *const **t4[] = {&t3[0]};
  54             **i = 0;
  55             if (**j)
  56               break;
  57             u = 0;
  58           }
  59         *i = *j;
  60         t1 = 0;
  61         for (; t1 < 5; t1++)
  62           *i = *j;
  63       }
  64   *j = 0;
  65   return 1;
  66 }
  67
  68 int
  69 main ()
  70 {
  71   int t5;
  72   a[0] = 1;
  73   {
  74     int *t6[6] = {&d, &d};
  75     for (n = 1; n; n--)
  76       if (foo())
  77         {
  78           int *t7[] = {0};
  79           d = 0;
  80           for (; u < 1; u++)
  81             *i = *j;
  82           *i = 0;
  83           *i = 0;
  84           int t8[5] = {0};
  85           *i = &t8[0];
  86           int *const *t9 = &t6[0];
  87           int *const **t10 = &t9;
  88           *t10 = &t7[0];
  89         }
  90   }
  91   u = 0;
  92   for (; b; b++)
  93     for (t5 = 0; t5 < 10; t5++)
  94       c = a[a[a[a[a[a[a[a[c]]]]]]]];
  95
  96   baz ();
  97
  98   if (!a[a[a[a[a[a[a[a[a[a[a[a[a[a[a[u]]]]]]]]]]]]]]])
  99     abort ();
 100
 101   return 0;
 102 }