#include <array>
#include <boost/container/static_vector.hpp>

struct X {
  int k;
  std::array<int, 4>                      a;
  boost::container::static_vector<int, 4> b;
  ~X() = default;
};

int huh()
{
  std::array<X, 5> x;
  return 0;
}

#include <array>
#include <boost/container/static_vector.hpp>

struct Y {
  ~Y();
};

struct X {
  int k;
  std::array<int, 4> a;
  boost::container::static_vector<Y, 4> b;
  ~X() = default;
};

int huh()
{
  std::array<X, 5> x;
  return 0;
}

add     rbx, 1
    call    Y::~Y() [complete object destructor]
    cmp     rbx, r12
    jne     .L3