reducedim/test reductions over region: (1, 2, 3, 4) @test #= C:\buildkite-agent\builds\win2k22-amdci6-5\julialang\julia-master\julia-649aee791d\share\julia\test\reducedim.jl:86 =# @inferred(maximum(abs, Areduc, dims = region)) ≈ safe_maxabs(Areduc, region)