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/* PR 17252.  When a char * pointer P takes its own address, storing
   into *P changes P itself.  */
 
char *a;
 
main ()
{
  /* Make 'a' point to itself.  */
  a = (char *)&a;
 
  /* Change what 'a' is pointing to.  */
  a[0]++;
 
  /* If a's memory tag does not contain 'a' in its alias set, we will
     think that this predicate is superfluous and change it to
     'if (1)'.  */
  if (a == (char *)&a)
    abort ();
 
  return 0;
}