v/vlib/v/checker/tests/no_heap_struct.vv

struct Abc {
mut:
	n int
}

struct St {
mut:
	a &Abc
}

fn f(x &Abc) St {
	s := St{
		a: x
	}
	return s
}

fn g(mut x Abc) &Abc {
	return x
}

fn h(x &Abc) &Abc {
	y := x
	return y
}