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/* Failed on ARM because rtx_varies_p didn't like the REG_EQUAL notes

   generated for libcalls.

   http://gcc.gnu.org/ml/gcc-patches/2004-02/msg01518.html */

static const char digs[] = "0123456789ABCDEF";

int __attribute__((pure)) bar();

int foo (int i)

{

  int len;

  if (i)

    return 0;

  len = bar();

  return digs[len];

}