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// PR tree-optimization/37716
// { dg-do compile }
struct A
{
struct B
{
int a, b, c, d;
void *e[1];
};
B *d;
inline void **f1 (int i) const
{
return d->e + d->c + i;
}
};
template <typename T>
struct C
{
struct D
{
void *v;
inline T & f3 ()
{
return *reinterpret_cast <T *> (this);
}
};
union
{
A p;
A::B *d;
};
T & operator[](int i)
{
if (d->a != 1)
f2 ();
return reinterpret_cast <D *> (p.f1 (i))->f3 ();
}
void f2 ();
void f3 (int i, const T & t);
};
class E
{
int e, f;
};
C <E> c;
void
foo (int x)
{
E e = c[x];
c.f3 (x, e);
}
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