thoughts...

[devnexen]

These are the only remaining overflow so far

p_mobj.c:1248:80: runtime error: signed integer overflow: 536870912 * 6 cannot be represented in type 'int'
...
p_mobj.c:1041:80: runtime error: signed integer overflow: 536870912 * 6 cannot be represented in type 'int'

Now, even chocolate doom is doing the same so it seems an historical occurrence, so "fixing" it might change the behaviour of the game. But I do not know enough to say if it s on purpose :-)

[bradharding]

I'm not sure to be honest. Maybe best to leave them alone?

[devnexen]

Yeah sounds reasonable indeed.