gcc/testsuite/gcc.dg/pr47991.c

   1 /* PR debug/47991 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-g -Os" } */
   4
   5 typedef __SIZE_TYPE__ size_t;
   6 extern inline __attribute__ ((__always_inline__))
   7 void *
   8 memset (void *x, int y, size_t z)
   9 {
  10   return __builtin___memset_chk (x, y, z, __builtin_object_size (x, 0));
  11 }
  12
  13 void
  14 foo (unsigned char *x, unsigned char *y, unsigned char *z,
  15      unsigned char *w, unsigned int v, int u, int t)
  16 {
  17   int i;
  18   for (i = 0; i < t; i++)
  19     {
  20       memset (z, x[0], v);
  21       memset (w, y[0], v);
  22       x += u;
  23     }
  24   __builtin_memcpy (z, x, u);
  25 }