File: pr70740.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* { dg-do compile } */

extern int foo (void);
extern void *memcpy (void *, const void *, __SIZE_TYPE__);

struct
{
  char a[6];
} d;
struct
{
  int a1[0];
  int a2[0];
  int a3[0];
  int a4[];
} a, c;
int b;

int *
bar ()
{
  if (b)
    return a.a4;
  return a.a2;
}

void
baz ()
{
  int *e, *f;
  if (foo ())
    e = c.a3;
  else
    e = c.a1;
  memcpy (d.a, e, 6);
  f = bar ();
  memcpy (d.a, f, 1);
}