Add jlarrays test

[wsmoses]

No description provided.

[github-actions]

Benchmark Results

	main	40d6455...	main/40d645538dae14...
basics/overhead	5.56 ± 0.01 ns	4.34 ± 0.01 ns	1.28
time_to_load	1.13 ± 0.0037 s	1.15 ± 0.017 s	0.983

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[wsmoses]

okay clearly I did this wrong, @vchuravy do you know the right incantations to fix?

┌ Error: Error during loading of extension EnzymeGPUArraysCoreExt of Enzyme, use `Base.retry_load_extensions()` to retry.
│   exception =
│    1-element ExceptionStack:
│    ArgumentError: Package EnzymeGPUArraysCoreExt [0dc2ebea-ba9b-5f8a-8acc-f28a2fdd0679] is required but does not seem to be installed:
│     - Run `Pkg.instantiate()` to install all recorded dependencies.
│    
│    Stacktrace:
│      [1] _require(pkg::Base.PkgId, env::Nothing)
│        @ Base ./loading.jl:1989
│      [2] __require_prelocked(uuidkey::Base.PkgId, env::Nothing)
│        @ Base ./loading.jl:1875
│      [3] #invoke_in_world#3
│        @ ./essentials.jl:926 [inlined]
│      [4] invoke_in_world
│        @ ./essentials.jl:923 [inlined]
│      [5] _require_prelocked
│        @ ./loading.jl:1866 [inlined]
│      [6] _require_prelocked
│        @ ./loading.jl:1865 [inlined]
│      [7] run_extension_callbacks(extid::Base.ExtensionId)
│        @ Base ./loading.jl:1358
│      [8] run_extension_callbacks(pkgid::Base.PkgId)
│        @ Base ./loading.jl:1393
│      [9] run_package_callbacks(modkey::Base.PkgId)
│        @ Base ./loading.jl:1218
│     [10] _tryrequire_from_serialized(modkey::Base.PkgId, path::String, ocachepath::Nothing, sourcepath::String, depmods::Vector{Any})
│        @ Base ./loading.jl:1550
│     [11] _require_search_from_serialized(pkg::Base.PkgId, sourcepath::String, build_id::UInt128)
│        @ Base ./loading.jl:1637
│     [12] _require(pkg::Base.PkgId, env::String)
│        @ Base ./loading.jl:2001
│     [13] __require_prelocked(uuidkey::Base.PkgId, env::String)
│        @ Base ./loading.jl:1875
│     [14] #invoke_in_world#3
│        @ ./essentials.jl:926 [inlined]
│     [15] invoke_in_world
│        @ ./essentials.jl:923 [inlined]
│     [16] _require_prelocked(uuidkey::Base.PkgId, env::String)
│        @ Base ./loading.jl:1866
│     [17] macro expansion
│        @ ./loading.jl:1853 [inlined]
│     [18] macro expansion
│        @ ./lock.jl:267 [inlined]
│     [19] __require(into::Module, mod::Symbol)
│        @ Base ./loading.jl:1816
│     [20] #invoke_in_world#3
│        @ ./essentials.jl:926 [inlined]
│     [21] invoke_in_world
│        @ ./essentials.jl:923 [inlined]
│     [22] require(into::Module, mod::Symbol)
│        @ Base ./loading.jl:1809
│     [23] include(fname::String)
│        @ Base.MainInclude ./client.jl:494
│     [24] macro expansion
│        @ ~/work/Enzyme.jl/Enzyme.jl/test/runtests.jl:3773 [inlined]
│     [25] macro expansion
│        @ /opt/hostedtoolcache/julia/1.10.7/x64/share/julia/stdlib/v1.10/Test/src/Test.jl:1577 [inlined]
│     [26] top-level scope
│        @ ~/work/Enzyme.jl/Enzyme.jl/test/runtests.jl:3773
│     [27] include(fname::String)
│        @ Base.MainInclude ./client.jl:494
│     [28] top-level scope
│        @ none:6
│     [29] eval
│        @ ./boot.jl:385 [inlined]
│     [30] exec_options(opts::Base.JLOptions)
│        @ Base ./client.jl:296
│     [31] _start()
│        @ Base ./client.jl:557
└ @ Base loading.jl:1364