JuliaLang/julia — pull request #4780 by amitmurthy (2013-11-11 12:39:09+00:00)
Title: mapreduce and reduce for AbstractArrays with an initial value do not do pairwise via recursion

Removed pairwise code called for AbstractArray mapreduce / reduce, with an initial value, as per discussion in #4777
Regular reduce/mapreduce gets called in these cases.
Added tests.