reducedim/test reductions over region: (3, 4) @test #= /cache/build/tester-amdci4-14/julialang/julia-master/julia-333391feb8/share/julia/test/reducedim.jl:85 =# @inferred(sum(abs2, Areduc, dims = region)) ≈ safe_sumabs2(Areduc, region)