reducedim/test reductions over region: (1, 2) @test #= C:\buildkite-agent\builds\win2k22-amdci6-3\julialang\julia-master\julia-333391feb8\share\julia\test\reducedim.jl:84 =# @inferred(sum(abs, Areduc, dims = region)) ≈ safe_sumabs(Areduc, region)