gcc/testsuite/gcc.c-torture/compile/pr21021.c

   1 /* PR tree-optimization/21021
   2
   3    The front end produces a comparison of mismatched types, namely an
   4    integer and a pointer, causing VRP to compute TYPE_MAX_VALUE for a
   5    pointer, which we cannot.  */
   6
   7 extern void *bar (void);
   8
   9 int
  10 foo (unsigned int *p, unsigned int *q)
  11 {
  12   const void *r = bar ();
  13
  14   if (r >= (const void *) *p
  15       && r < (const void *) *q)
  16     return 1;
  17
  18   return 0;
  19 }