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/* PR middle-end/51590 */
/* { dg-do compile } */
 
struct S { long a, b; };
 
extern void baz (char *);
 
static void
bar (struct S *x)
{
  char c[8];
  int i;
 
  for (i = 0; i < 8; i++)
    c[i] = x->a >> ((7 - i) * 8);
 
  baz (c);
}
 
void
foo (const char *x, struct S *y)
{
  struct S d = *y;
  int i;
 
  for (i = 0; *x; x++)
    i++;
 
  if (i != 1)
    return;
 
  bar (&d);
}
 
/* { dg-final { cleanup-tree-dump "vect" } } */