[1.65][SMP/SSP] os.queueEvent won't pass functions as arguments

VERSION:
1.65

DESCRIPTION:
When you try to pass a function in os.queueEvent(), os.pullEvent() won't return the actual function, but instead nil.

EXPECTED RESULT:
The function getting passed.

REPRODUCTION STEPS:

os.queueEvent("test", function() print("Hi") end)
ev, fnc = os.pullEvent("test")
print(tostring(fnc))