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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-optimized" } */

/* { dg-final { scan-tree-dump-times "memmove" 0 "optimized" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */

char a[40];

extern void bar (char *);

void

foo (void)

{

  char b[10];

  __builtin_memmove (&a[0], &a[20], 20);

  __builtin_memmove (&b[1], &a[25], 9);

  bar (b);

}