Crash on some clients when starting a game (dynamic_bitset?)

[singalen]

We're doing something wrong with dynamic_bitset.

Need to create a TF version with more diagnostics to figure it out.

atos -arch arm64e -o Contents/Resources/DWARF/battleforwesnoth-iPad -l 0x102db8000 0x0000000102dd0068 0x0000000103646048 0x0000000103646d7c 0x0000000103644548 0x0000000103427e70
boost::dynamic_bitset<unsigned long, std::__1::allocator<unsigned long> >::~dynamic_bitset() (in battleforwesnoth-iPad) (dynamic_bitset.hpp:633)
void gui2::dialogs::mp_create_game::on_filter_change<gui2::slider>(gui2::window&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) (in battleforwesnoth-iPad) (mp_create_game.cpp:499)
gui2::dialogs::mp_create_game::display_games_of_type(gui2::window&, ng::level::TYPE, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) (in battleforwesnoth-iPad) (mp_create_game.cpp:607)
gui2::dialogs::mp_create_game::pre_show(gui2::window&) (in battleforwesnoth-iPad) (functional:1774)
gui2::dialogs::modal_dialog::~modal_dialog() (in battleforwesnoth-iPad) (modal_dialog.cpp:42)