https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102749
Bug ID: 102749 Summary: ambigous call on different std::variant types with iterators Product: gcc Version: 11.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: benni.probst at gmx dot de Target Milestone: --- Created attachment 51600 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51600&action=edit dataContainer switching between container Types, reading with std::variant iterator types the compiler cannot see the difference: In file included from /home/benjamin/CLionProjects/UltiHash/aiHeuristics_runtime_tests.h:4, from /home/benjamin/CLionProjects/UltiHash/main.cpp:8: /home/benjamin/CLionProjects/UltiHash/dataContainer.h: In instantiation of ‘dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)>::<lambda(auto:177)>::<lambda(auto:179)> [with auto:179 = std::integral_constant<long unsigned int, 0>]’: /usr/local/include/boost/mp11/detail/mp_with_index.hpp:374:84: required by substitution of ‘template<class N, class F> constexpr decltype (declval<F>()(declval<boost::mp11::mp_size_t<0> >())) boost::mp11::mp_with_index(std::size_t, F&&) [with N = std::integral_constant<long unsigned int, 10>; F = dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)>::<lambda(auto:177)>::<lambda(auto:179)>]’ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:1103:78: required from ‘dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)>::<lambda(auto:177)> [with auto:177 = std::integral_constant<long unsigned int, 0>]’ /usr/local/include/boost/mp11/detail/mp_with_index.hpp:374:84: required by substitution of ‘template<class N, class F> constexpr decltype (declval<F>()(declval<boost::mp11::mp_size_t<0> >())) boost::mp11::mp_with_index(std::size_t, F&&) [with N = std::integral_constant<long unsigned int, 10>; F = dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)>::<lambda(auto:177)>]’ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:1055:83: required from ‘dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)> [with auto:176 = std::integral_constant<long unsigned int, 0>]’ /usr/local/include/boost/mp11/detail/mp_with_index.hpp:374:84: required by substitution of ‘template<class N, class F> constexpr decltype (declval<F>()(declval<boost::mp11::mp_size_t<0> >())) boost::mp11::mp_with_index(std::size_t, F&&) [with N = std::integral_constant<long unsigned int, 10>; F = dataContainer<unsigned int>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum)::<lambda(auto:176)>]’ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:1051:79: required from ‘void dataContainer<T, alloc>::benchmark(long unsigned int, long unsigned int, internEnum, internEnum) [with T = unsigned int; alloc = {}; internEnum = long unsigned int]’ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:1050:10: required from here /home/benjamin/CLionProjects/UltiHash/dataContainer.h:1106:21: error: call of overloaded ‘insert(__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int> >&, unsigned int)’ is ambiguous 1106 | insert(itB, T{}); | ^~~~~~ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:604:18: note: candidate: ‘dataContainer<T, alloc>::iteratorType dataContainer<T, alloc>::insert(dataContainer<T, alloc>::iteratorType&&, Args&& ...) [with Args = {unsigned int}; T = unsigned int; alloc = {}; dataContainer<T, alloc>::iteratorType = std::variant<__gnu_cxx::__normal_iterator<unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, std::_Deque_iterator<unsigned int, unsigned int&, unsigned int*>, std::_List_iterator<unsigned int>, boost::container::vec_iterator<unsigned int*, false>, boost::container::stable_vector_iterator<unsigned int*, false>, unsigned int*, boost::container::dtl::deque_iterator<unsigned int*, false>, boost::container::dtl::iterator_from_iiterator<boost::intrusive::list_iterator<boost::intrusive::bhtraits<boost::container::dtl::list_node<unsigned int, void*>, boost::intrusive::list_node_traits<void*>, boost::intrusive::normal_link, boost::intrusive::dft_tag, 1>, false>, false>, std::_Fwd_list_iterator<unsigned int>, boost::container::dtl::iterator_from_iiterator<boost::intrusive::slist_iterator<boost::intrusive::bhtraits<boost::container::dtl::slist_node<unsigned int, void*>, boost::intrusive::slist_node_traits<void*>, boost::intrusive::normal_link, boost::intrusive::dft_tag, 2>, false>, false> >]’ 604 | iteratorType insert(iteratorType &&arg1, Args &&...args){ | ^~~~~~ /home/benjamin/CLionProjects/UltiHash/dataContainer.h:649:23: note: candidate: ‘dataContainer<T, alloc>::constIteratorType dataContainer<T, alloc>::insert(dataContainer<T, alloc>::constIteratorType&&, Args&& ...) [with Args = {unsigned int}; T = unsigned int; alloc = {}; dataContainer<T, alloc>::constIteratorType = std::variant<__gnu_cxx::__normal_iterator<const unsigned int*, std::vector<unsigned int, std::allocator<unsigned int> > >, std::_Deque_iterator<unsigned int, const unsigned int&, const unsigned int*>, std::_List_const_iterator<unsigned int>, boost::container::vec_iterator<unsigned int*, true>, boost::container::stable_vector_iterator<unsigned int*, true>, const unsigned int*, boost::container::dtl::deque_iterator<unsigned int*, true>, boost::container::dtl::iterator_from_iiterator<boost::intrusive::list_iterator<boost::intrusive::bhtraits<boost::container::dtl::list_node<unsigned int, void*>, boost::intrusive::list_node_traits<void*>, boost::intrusive::normal_link, boost::intrusive::dft_tag, 1>, false>, true>, std::_Fwd_list_const_iterator<unsigned int>, boost::container::dtl::iterator_from_iiterator<boost::intrusive::slist_iterator<boost::intrusive::bhtraits<boost::container::dtl::slist_node<unsigned int, void*>, boost::intrusive::slist_node_traits<void*>, boost::intrusive::normal_link, boost::intrusive::dft_tag, 2>, false>, true> >]’ 649 | constIteratorType insert(constIteratorType &&arg1, Args &&...args){ | ^~~~~~