Hi Zoltan, thanks for your report. Interesting.
> signal (6): Aborted I get the same indeed. Then I tried: - upstream original 1.5.2 worked, got answer, no error - upstream original 1.5.3 got error julia> c,f = probak() ERROR: MethodError: Cannot `convert` an object of type Int64 to an object of type Array{Int64,1} Closest candidates are: convert(::Type{T}, ::AbstractArray) where T<:Array at array.jl:554 convert(::Type{T}, ::T) where T<:AbstractArray at abstractarray.jl:14 convert(::Type{T}, ::LinearAlgebra.Factorization) where T<:AbstractArray at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.5/LinearAlgebra/src/factorization.jl:55 ... Stacktrace: [1] push!(::Array{Array{Int64,1},1}, ::Int64) at ./array.jl:934 [2] probak at /home/norbert/Development/Julia/bugs/977193/bad.jl:10 [inlined] [3] probak() at /home/norbert/Development/Julia/bugs/977193/bad.jl:7 [4] top-level scope at REPL[2]:1 Both official Julia packages are compiled with LLVM9, while the one in Debian with LLVM10. > in expression starting at REPL[2]:1 > gsignal at /lib/x86_64-linux-gnu/libc.so.6 (unknown line) > abort at /lib/x86_64-linux-gnu/libc.so.6 (unknown line) > unknown function (ip: 0x7f315d7872f0) > _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE at > /usr/bin/../lib/x86_64-linux-gnu/libLLVM-10.so.1 (unknown line) > _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE at > /usr/bin/../lib/x86_64-linux-gnu/libLLVM-10.so.1 (unknown line) > _ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE at > /usr/bin/../lib/x86_64-linux-gnu/libLLVM-10.so.1 (unknown line) I will build Debian julia 1.5.3 packages and see how they fare! Best Norbert -- PREINING Norbert https://www.preining.info Accelia Inc. + IFMGA ProGuide + TU Wien + JAIST + TeX Live + Debian Dev GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13