gcc/testsuite/gcc.c-torture/compile/pr34648.c

   1 /* PR tree-optimization/34648 */
   2
   3 /* { dg-options "-fexceptions" } */
   4
   5 extern const unsigned short int **bar (void) __attribute__ ((const));
   6 const char *a;
   7 int b;
   8 char c;
   9
  10 char
  11 foo (int *x)
  12 {
  13   char r;
  14
  15   c = '\0';
  16   if (!b)
  17     {
  18       while (((*bar ())[a[*x]] & 0x2000) != 0)
  19         (*x)++;
  20       if (a[++(*x)] == '-')
  21         {
  22           (*x)++;
  23           if (a[*x] && !((*bar ())[a[*x]] & 0x2000))
  24             return '?';
  25         }
  26       if (!a[*x] || ((*bar ())[a[*x]] & 0x2000))
  27         {
  28           while (((*bar ())[a[*x]] & 0x2000))
  29             ++(*x);
  30           return '\0';
  31         }
  32     }
  33
  34   r = a[*x];
  35   b = a[*x] && !((*bar ())[a[*x]] & 0x2000);
  36   return r;
  37 }
  38