Leaking memory with "smart" pointers

weak-leak.cc

#include <memory>
#include <vector>
#include <algorithm>
#include <array>

struct data {
  data(char c) { std::fill(begin(blk), end(blk), c); }
  std::array<char, (1 << 20)> blk;
};

int main() {
  std::vector<std::weak_ptr<data>> v;
  for (int i = 0; i < (1 << 14); i++) {
#if 0
    std::shared_ptr<data> sp = std::make_shared<data>('a');
#else
    std::shared_ptr<data> sp(new data('a'));
#endif
    v.push_back(sp);
  }
}