gcc/testsuite/gcc.dg/pr46867.c

   1 /* PR debug/46867 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -g" } */
   4
   5 typedef __PTRDIFF_TYPE__ ptrdiff_t;
   6
   7 extern void *bar (void);
   8
   9 void
  10 foo (int x, char *r1, char *r2, __INTPTR_TYPE__ *rp, char *t)
  11 {
  12   char *tx = tx;
  13   char **cc = bar ();
  14   ptrdiff_t rx = r1 - r2;
  15   for (;;)
  16     {
  17       char *cp1 = (char *) *rp;
  18       char *cp2 = t;
  19       char *s;
  20       ptrdiff_t len = cp1 - tx + rx * (cp2 - cp1);
  21       while (len)
  22         ;
  23       for (s = tx; s; s++)
  24         ;
  25       while (s)
  26         if (s == cc[s - r1])
  27           if (x)
  28             bar ();
  29       if (cp1)
  30         tx = cp2;
  31     }
  32 }