JuliaLang / JuliaLang/PrecompileTools.jl

More graceful behavior when bisecting julia

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Dominant language
Julia
Stars
249
Forks
18
PR merge metrics
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Description

When bisecting julia it is quite easy to hit:

```
Failed to precompile BandedMatrices [aae01518-5342-5314-be14-df237901396f] to "/home/kristofferc/.julia/compiled/v1.13/BandedMatrices/jl_T9KPcx".
ERROR: LoadError: could not load symbol "jl_tag_newly_inferred_enable":
/tmp/jl_Rfu1Iv/bin/julia: undefined symbol: jl_tag_newly_inferred_enable
Stacktrace:
[1] tag_newly_inferred_enable()
@ PrecompileTools ~/.julia/packages/PrecompileTools/gn08A/src/workloads.jl:22
[2] macro expansion
@ ~/.julia/packages/PrecompileTools/gn08A/src/workloads.jl:77 [inlined]
[3] macro expansion
@ ~/.julia/packages/StaticArrays/DsPgf/src/precompile.jl:2 [inlined]
[4] macro expansion
@ ~/.julia/packages/PrecompileTools/gn08A/src/workloads.jl:121 [inlined]
[5] top-level scope
@ ~/.julia/packages/StaticArrays/DsPgf/src/precompile.jl:118
[6] include(mapexpr::Function, mod::Module, _path::String)
```

Ideally precompile tools could fail more gracefully in situations like this. Right now, I use a fork with the macros just returning nothing.

Contributor guide

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Research direction

Start with the failing precompile stack trace in the issue and inspect the PrecompileTools macros involved in the reported workaround. Reproduce the failure while bisecting Julia, then verify that the affected macro path handles the missing symbol gracefully instead of aborting precompilation.

Written by the indexing model from the issue text.

Assessment

Tech stack
julia
Domain
performance, tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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