mcabbott
commented
2 years ago In case this helps, some variants. (Xref also https://github.com/JuliaLang/julia/issues/45454 recently about stack overflow from a splat.)
julia> let
x = Any[[1] for _ in 1:10^4]
# x[2] = 2 # without this, no problem
vcat(x...)'
end
1×10000 adjoint(::Vector{Int64}) with eltype Int64:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 … 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
julia> let
x = Any[[1] for _ in 1:10^4]
x[2] = 2 # change near the start
vcat(x...)'
end
ERROR: StackOverflowError:
julia> let
x = Any[[1] for _ in 1:10^4]
x[end-2] = 2 # change near the end
vcat(x...)'
end
signal (11): Segmentation fault: 11
in expression starting at REPL[9]:1
gc_read_stack at /Users/me/.julia/dev/julia/src/gc.c:1696 [inlined]
gc_mark_loop at /Users/me/.julia/dev/julia/src/gc.c:2373
KristofferC
jakobnissen
vtjnash
Context: https://github.com/JuliaGraphs/Graphs.jl/issues/138
MWE:
Edit: smaller reproducer:
original reproducer: Download the file https://pastebin.com/hfv6Jrgv Convert it to LF instead of CRLF if needed.
Result in segmentation fault:
Version info: