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/* PR middle-end/38454 */

/* { dg-do compile } */

/* { dg-options "-O2" } */

typedef __SIZE_TYPE__ size_t;

extern inline __attribute__((gnu_inline, always_inline, artificial)) void *

memcpy (void *__restrict dest, const void *__restrict src, size_t len)

{

  return __builtin___memcpy_chk (dest, /* { dg-warning "will always overflow destination buffer" } */

                                 src, len, __builtin_object_size (dest, 0));

}

struct S { char buf[10]; } s;

void

foo (void)

{

  char buf[12];

  char *p = buf + 4;

  struct S *q = (struct S *) p;

  memcpy (q, &s, sizeof (s));

}

/* { dg-final { scan-assembler "__memcpy_chk" } } */