Obtained 18 stack frames.
/usr/games/crawl-git-3aa3f5dc57(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5cfcf3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-3aa3f5dc57(_Z20crash_signal_handleri+0x1a5) [0x5d0095]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f7a2e0344c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f7a2e3cab7b]: 
/usr/games/crawl-git-3aa3f5dc57() [0x5d6639]
/usr/games/crawl-git-3aa3f5dc57() [0x5d6b84]
/usr/games/crawl-git-3aa3f5dc57(_Z20crash_signal_handleri+0x2c8) [0x5d01b8]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f7a2e0344c0]: 
/usr/games/crawl-git-3aa3f5dc57(_Z18tile_draw_map_cellRK9coord_defb+0x38b) [0xb241fb]: tile_draw_map_cell(coord_def const&, bool)
/usr/games/crawl-git-3aa3f5dc57(_Z14show_update_atRK9coord_def13enum_bitfieldI10layer_typeLi5EE+0x29d) [0x9d8c4d]: show_update_at(coord_def const&, enum_bitfield<layer_type, 5>)
/usr/games/crawl-git-3aa3f5dc57(_Z9show_init13enum_bitfieldI10layer_typeLi5EE+0x8a) [0x9d993a]: show_init(enum_bitfield<layer_type, 5>)
/usr/games/crawl-git-3aa3f5dc57(_Z10viewwindowbbP9animation+0xc5) [0xad66c5]: viewwindow(bool, bool, animation*)
/usr/games/crawl-git-3aa3f5dc57() [0xbad2c4]
/usr/games/crawl-git-3aa3f5dc57() [0xbb4cde]
/usr/games/crawl-git-3aa3f5dc57() [0xbb5f15]
/usr/games/crawl-git-3aa3f5dc57(main+0x2eb) [0xbb95fb]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f7a2e01f76d]: 
/usr/games/crawl-git-3aa3f5dc57() [0x536109]