Both sizeof and Base.summarysize inaccurate for non-power of two width ints

[lesshaste]

I am using https://github.com/rfourquet/BitIntegers.jl as follows.

using BitIntegers
BitIntegers.@define_integers 40
v = ones(UInt40, 10^6)

Now I do the following:

Base.summarysize(v) 
5000040
sizeof(v)
5000000

Both of these are wrong I believe as each 40-bit integer takes 64-bit of memory (i.e. one word).

The correct answer should be 8000000 (plus whatever overheads).

[KristofferC]

Fixed by #35900?

[JeffBezanson]

Yes, dup of #35884.