gcc/testsuite/gcc.c-torture/compile/20040914-1.c

   1 extern int clobber_k (int *);
   2 extern int barrier (void);
   3 int t, u;
   4
   5 int
   6 process_second_stream(void)
   7 {
   8   int k;
   9   int i = 0, j = 0, result;
  10
  11   clobber_k (&k);
  12
  13   while(t)
  14     ;
  15
  16   while(!j)
  17     {
  18       while(!j)
  19         {
  20           barrier ();
  21           if (t == 0)
  22             break;
  23           else if(t == 1)
  24             t = 2;
  25           else
  26             {
  27               if(t < 0)
  28                 j=1;
  29               if(u < 0)
  30                 k = i++;
  31             }
  32         }
  33
  34       if(!j && u)
  35         j=1;
  36     }
  37
  38   return 0;
  39 }