id summary reporter owner description type status milestone component version severity resolution keywords cc 9108 flat_multimap leaks on insert(Iterator, Iterator) adam.m.baxter@… Ion Gaztañaga "Reproducer: #include #include typedef boost::container::flat_multimap IntMap; class MapTest { public: MapTest() {} MapTest(IntMap const &map) : _map(map) { _map.insert(map.begin(), map.end()); } IntMap const& getMap() {return _map; } private: IntMap _map; }; int main(int argc, char *argv[]) { using std::cout; using std::endl; IntMap iMap; for(int i = 0; i < 1000; i++) { iMap.emplace(i, i); } MapTest map(iMap); for(auto const &kvPair : map.getMap()) { cout << kvPair.first << "" : "" << kvPair.second << endl; } return 0; } Valgrind Output: ==15820== ==15820== HEAP SUMMARY: ==15820== in use at exit: 8,000 bytes in 1 blocks ==15820== total heap usage: 20 allocs, 19 frees, 49,624 bytes allocated ==15820== ==15820== 8,000 bytes in 1 blocks are definitely lost in loss record 1 of 1 ==15820== at 0x4A068F3: operator new(unsigned long) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==15820== by 0x4016EF: MapTest::MapTest(boost::container::flat_multimap, std::allocator > > const&) (in /home/abaxter/Projects/Du/apollo-build/bin/sandbox) ==15820== by 0x4013B9: main (in /home/abaxter/Projects/Du/apollo-build/bin/sandbox) ==15820== ==15820== LEAK SUMMARY: ==15820== definitely lost: 8,000 bytes in 1 blocks ==15820== indirectly lost: 0 bytes in 0 blocks ==15820== possibly lost: 0 bytes in 0 blocks ==15820== still reachable: 0 bytes in 0 blocks ==15820== suppressed: 0 bytes in 0 blocks ==15820== " Bugs closed To Be Determined container Boost 1.54.0 Problem fixed