christian.stimming@… — Tue, 01 Sep 2015 15:55:58 GMT

Sorry, here the code again in readable form:

#define BOOST_CB_ENABLE_DEBUG
#include <boost/circular_buffer.hpp>
#include <iostream>
using namespace std;
int main(int /*argc*/, char /*argv*/) {
  typedef boost::circular_buffer<int> CircBuffer;
  CircBuffer buffer(2);
  buffer.push_back(4);
  buffer.push_back(8);
  CircBuffer::const_reverse_iterator iter = buffer.rbegin();
  cout << "elem=" << *iter << endl; // prints "=8" correctly
  ++iter;
  cout << "elem=" << *iter << endl; // prints "=4" correctly
  buffer.pop_back();                // ERROR: invalidates the iterator
  cout << "elem=" << *iter << endl; // ERROR: Causes "Assertion `is_valid(m_buff)' failed." instead of printing "=4"
}

component, description changed; owner set

viboes — Wed, 02 Sep 2015 17:54:42 GMT

owner set to Jan Gaspar
component None → circular_buffer
description modified (diff)

Boost C++ Libraries: Ticket #11609: circular_buffer erroneously invalidates reverse_iterator at pop_back in debug mode

component, description changed; owner set