Openapoc: Battlescape: CtD as building collapses and alien knocked out

[FilmBoy84]

[FranciscoDA]

I had a similar issue. Stack trace below:

#0  OpenApoc::BattleMapPart::updateFalling (this=<optimized out>, state=..., ticks=<optimized out>)
    at /home/francisco/OpenApoc/game/state/tilemap/tileobject.h:46
#1  0x000055dc901d3c1d in OpenApoc::BattleMapPart::update (this=0x7f7a34126b40, state=..., ticks=ticks@entry=2)
    at /home/francisco/OpenApoc/game/state/battle/battlemappart.cpp:1124
#2  0x000055dc901a0c5f in OpenApoc::Battle::update (this=0x7f7a3400f000, state=..., ticks=ticks@entry=2)
    at /usr/include/c++/8.2.1/bits/shared_ptr_base.h:998
#3  0x000055dc902d0223 in OpenApoc::GameState::update (this=0x55dc928089c0, ticks=ticks@entry=2)
    at /usr/include/c++/8.2.1/bits/shared_ptr_base.h:998
#4  0x000055dc9000f478 in OpenApoc::BattleView::update (this=0x55dc92dcd440) at /usr/include/c++/8.2.1/bits/shared_ptr_base.h:998
#5  0x000055dc8ff29952 in OpenApoc::Framework::run (this=this@entry=0x55dc92279c70, 
    initialStage=std::shared_ptr<OpenApoc::Stage> (use count 1, weak count 1) = {...}) at /usr/include/c++/8.2.1/bits/shared_ptr_base.h:998
#6  0x000055dc8ff0144e in main (argc=<optimized out>, argv=0x7ffe9cdd1368) at /usr/include/c++/8.2.1/bits/shared_ptr_base.h:734

Edit: It appears the game will crash only if the falling map part kills a unit. Something regarding BattleUnit::dropDown