Not an answer to the “why” question, but if this happens on x86_64 Linux you can try capturing the segfault in rr with GitHub - JuliaLang/BugReporting.jl: Streamlines bug reporting for julia
Not an answer to the “why” question, but if this happens on x86_64 Linux you can try capturing the segfault in rr with GitHub - JuliaLang/BugReporting.jl: Streamlines bug reporting for julia