add test for https://github.com/JuliaLang/julia/issues/34680

[KristofferC]

Add a test for https://github.com/JuliaLang/julia/issues/34680. This should (hopefully) fail on Windows and pass when https://github.com/JuliaLang/julia/pull/34754 is merged.

[codecov-io]

Codecov Report

Merging #341 into master will decrease coverage by 4.04%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #341      +/-   ##
==========================================
- Coverage   83.98%   79.93%   -4.05%     
==========================================
  Files           2        2              
  Lines         331      324       -7     
==========================================
- Hits          278      259      -19     
- Misses         53       65      +12

Impacted Files	Coverage Δ
src/juliaconfig.jl	80.64% <0%> (-9.68%)	:arrow_down:
src/PackageCompiler.jl	79.86% <0%> (-3.47%)	:arrow_down:

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[DilumAluthge]

Needs a rebase?