gcc/testsuite/gcc.c-torture/compile/pr54925.c

   1 /* PR target/54925  */
   2 extern int bar;
   3 extern void foo (int *);
   4 static unsigned char *
   5 nr_memcpy (unsigned char *, unsigned char *, unsigned short);
   6
   7 void
   8 baz (char *buf, unsigned short len)
   9 {
  10   unsigned char data[10];
  11   if (len == 0)
  12     return;
  13   nr_memcpy (data, (unsigned char *) buf, len);
  14   foo (&bar);
  15 }
  16
  17 static unsigned char *
  18 nr_memcpy (unsigned char * to, unsigned char * from, unsigned short len)
  19 {
  20   unsigned char *p = to;
  21   while (len > 0)
  22     {
  23       len--;
  24       *to++ = *from++;
  25     }
  26   return p;
  27 }