`eps` not working

```julia
julia> eps(zero(Float80))
ERROR: Module IR does not contain specified entry function
Stacktrace:
 [1] abs
   @ ~/.julia/packages/BitFloats/qTO7E/src/BitFloats.jl:590 [inlined]
 [2] eps(x::Float80)
   @ Base ./float.jl:851
 [3] top-level scope
   @ REPL[10]:1
```