Failed to precompile HTTP on i686

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
68/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
julia
Domain
backend

Research direction

Start with the linked code in src/hpack.jl at line 747 and reproduce the failure by precompiling HTTP with Julia 1.13.3 on i686. Trace the UInt32 to Int32 conversion that raises InexactError and check nearby tests for HPACK behavior. The issue is resolved when HTTP precompiles successfully on that target and the relevant tests pass.

Written by the indexing model from the issue text.

Description

Test with julia +rc~x86 (v1.13.3)

https://github.com/JuliaWeb/HTTP.jl/blob/e52bb211245e4cee0f963a009a338d758942a12e/src/hpack.jl#L747

ERROR: LoadError: InexactError: convert(Int32, 0xffffffff)
Stacktrace:
  [1] throw_inexacterror(func::Symbol, to::Type, val::UInt32)
    @ Core .\boot.jl:868
  [2] check_sign_bit
    @ .\boot.jl:874 [inlined]
  [3] toInt32
    @ .\boot.jl:923 [inlined]
  [4] Int32(x::UInt32)
    @ Core .\boot.jl:1009
  [5] top-level scope
    @ C:\Users\inkyd\.julia\packages\HTTP\DDvUa\src\hpack.jl:747
  [6] include(mapexpr::Function, mod::Module, _path::String)
    @ Base .\Base.jl:310
  [7] top-level scope
    @ C:\Users\inkyd\.julia\packages\HTTP\DDvUa\src\HTTP.jl:42
  [8] include(mod::Module, _path::String)
    @ Base .\Base.jl:309
  [9] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::Nothing, preresolved::Vector{Pair{Base.PkgId, String}})
    @ Base .\loading.jl:3229
 [10] top-level scope
    @ stdin:5
 [11] eval(m::Module, e::Any)
    @ Core .\boot.jl:489
 [12] include_string(mapexpr::typeof(identity), mod::Module, code::String, filename::String)
    @ Base .\loading.jl:3064
 [13] include_string
    @ .\loading.jl:3074 [inlined]
 [14] exec_options(opts::Base.JLOptions)
    @ Base .\client.jl:342
 [15] _start()
    @ Base .\client.jl:577
in expression starting at C:\Users\inkyd\.julia\packages\HTTP\DDvUa\src\hpack.jl:747
in expression starting at C:\Users\inkyd\.julia\packages\HTTP\DDvUa\src\HTTP.jl:1
in expression starting at stdin:5
  ✗ HTTP
Precompiling HTTP finished.
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