Obtained 24 stack frames.
/usr/games/crawl-git-492bfec932(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x685293]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-492bfec932(_Z20crash_signal_handleri+0x174) [0x6855e4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7f170eaf11e0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f170ee59f6b]: 
/usr/games/crawl-git-492bfec932() [0x68c0d4]
/usr/games/crawl-git-492bfec932() [0x68c57f]
/usr/games/crawl-git-492bfec932(_Z20crash_signal_handleri+0x283) [0x6856f3]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7f170eaf11e0]: 
/usr/games/crawl-git-492bfec932(_Z16get_monster_data12monster_type+0x26) [0x9a6036]: get_monster_data(monster_type)
/usr/games/crawl-git-492bfec932(_Z15mons_class_flag12monster_type13enum_bitfieldI18monclass_flag_typeLin1EE+0x9) [0x9a6509]: mons_class_flag(monster_type, enum_bitfield<monclass_flag_type, -1>)
/usr/games/crawl-git-492bfec932(_Z29mons_is_hepliaklqana_ancestor12monster_type+0x13) [0x9a6693]: mons_is_hepliaklqana_ancestor(monster_type)
/usr/games/crawl-git-492bfec932(_ZN12monster_info9less_thanERKS_S1_bb+0x31) [0x9636b1]: monster_info::less_than(monster_info const&, monster_info const&, bool, bool)
/usr/games/crawl-git-492bfec932(_ZSt16__introsort_loopIN9__gnu_cxx17__normal_iteratorIP12monster_infoSt6vectorIS2_SaIS2_EEEElPFbRKS2_S9_EEvT_SC_T0_T1_+0xd3) [0x96fde3]: void std::__introsort_loop<__gnu_cxx::__normal_iterator<monster_info*, std::vector<monster_info, std::allocator<monster_info> > >, long, bool (*)(monster_info const&, monster_info const&)>(__gnu_cxx::__normal_iterator<monster_info*, std::vector<monster_info, std::allocator<monster_info> > >, __gnu_cxx::__normal_iterator<monster_info*, std::vector<monster_info, std::allocator<monster_info> > >, long, bool (*)(monster_info const&, monster_info const&))
/usr/games/crawl-git-492bfec932(_Z16get_monster_infoRSt6vectorI12monster_infoSaIS0_EE+0x24f) [0x96a23f]: get_monster_info(std::vector<monster_info, std::allocator<monster_info> >&)
/usr/games/crawl-git-492bfec932(_Z19update_monster_panev+0x6a) [0xa0999a]: update_monster_pane()
/usr/games/crawl-git-492bfec932(_Z10viewwindowbbP9animation+0x404) [0xb68ab4]: viewwindow(bool, bool, animation*)
/usr/games/crawl-git-492bfec932(_Z19move_player_to_gridRK9coord_defb+0x114) [0xa38c64]: move_player_to_grid(coord_def const&, bool)
/usr/games/crawl-git-492bfec932() [0xbda38f]
/usr/games/crawl-git-492bfec932(_Z15process_command12command_type+0x9a3) [0xbdbb03]: process_command(command_type)
/usr/games/crawl-git-492bfec932() [0xbde339]
/usr/games/crawl-git-492bfec932() [0xbded8d]
/usr/games/crawl-git-492bfec932(main+0x12a) [0x5ee1fa]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f170eaddead]: 
/usr/games/crawl-git-492bfec932() [0x5ee94d]