Debug GCC

SUBMITTED BY: haxonic

DATE: May 11, 2017, 10:24 a.m.

UPDATED: May 11, 2017, 10:25 a.m.

FORMAT: Text only

SIZE: 690 Bytes

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  1. /// Does this code expose a GCC bug?
  3. #include <iostream>
  4. #include <vector>
  5. using namespace std;
  7. #define SHOW_BUG
  8. template <typename Derived>
  9. struct Base
  10. {
  11. template <typename T>
  12. #ifdef SHOW_BUG
  13. void push_back(T& t)
  14. #else
  15. void push_back2(T& t)
  16. #endif
  17. {
  18. static_cast<Derived*>(this)->push_back(t);
  19. }
  20. };
  22. struct P : public Base<P>, protected vector<int>
  23. {
  24. friend class Base<P>;
  25. vector<int> v;
  26. };
  30. int main()
  31. {
  32. int i=10;
  33. P p;
  35. #ifdef SHOW_BUG
  36. p.push_back(i);
  37. #else
  38. p.push_back2(i);
  39. #endif
  40. return 0;
  41. }
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