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  1. #include <string>
  2. #include <vector>
  3. #include <memory>
  4. using namespace std;
  5.  
  6. struct ore : public string {};
  7. static_assert(sizeof(ore) == sizeof(string), "");
  8.  
  9. int main()
  10. {
  11. 	vector<string> v;
  12. 	v.emplace_back();
  13.  
  14. 	auto &&aho = allocator_traits<decltype(v.get_allocator())>::rebind_alloc<ore>{};
  15. 	v[0].~string();
  16. 	aho.construct(&v[0]); // expecting SSO.
  17. }
  18.  
Success #stdin #stdout 0s 15224KB
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https://ideone.com/akrJQA
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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