[Freeciv-Dev] (PR#10281) ftwl: city buy crash

["Per I. Mathisen" <per@xxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=10281 >

Click on a city sometimes crashes the gui-ftwl client:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1085312896 (LWP 6698)]
0x08084af9 in is_wonder (id=2080418304) at improvement.c:212
212       return (improvement_types[id].is_wonder);
(gdb) bt
#0  0x08084af9 in is_wonder (id=2080418304) at improvement.c:212
#1  0x0807d3c6 in city_change_production_penalty (pcity=0x8d825b8,
target=0,
    is_unit=false) at city.c:1333
#2  0x0807d459 in city_turns_to_build (pcity=0x8d825b8, id=0,
    id_is_unit=false, include_shield_stock=true) at city.c:1401
#3  0x080d48be in mapview_get_city_action_tooltip (pcity=0x8d825b8,
    action=0x8df8e10 "city_buy", shortcut_=0x812ca20 "b") at
gui_text.c:357
#4  0x080d2551 in fill_actions () at mapview.c:1485
#5  0x080d3374 in mapview_update_actions () at mapview.c:1557
#6  0x080d1135 in tile_list_select (new_index=1) at mapview.c:731
#7  0x080d13ad in update_focus_tile_list () at mapview.c:806

Does not look very ftwl-specific, though.

  - Per