reducedim/test reductions over region: (2, 3) @test isequal(#= /cache/build/tester-amdci4-15/julialang/julia-master/julia-333391feb8/share/julia/test/reducedim.jl:95 =# @inferred(count(!, Breduc, dims = region, init = Int16(0))), safe_count(.!(Breduc), region) .% Int16)