`random` module randomly raises defect

[arnetheduck]

Nim/lib/pure/random.nim

Line 327 in 1082d62

result = T(rand(r, int(x.b) - int(x.a)) + int(x.a))

the int conversion prevents rand() from being used with any value larger than int.max, even though the function signature clearly allows the full range of Ordinal types to be used