parfor remove dead bug fix
parfor remove dead bug fix

jriehl/numba,IntelLabs/numba,stuartarchibald/numba,stonebig/numba,gmarkall/numba,cpcloud/numba,gmarkall/numba,numba/numba,seibert/numba,numba/numba,sklam/numba,stonebig/numba,numba/numba,IntelLabs/numba,cpcloud/numba,stuartarchibald/numba,stonebig/numba,cpcloud/numba,sklam/numba,stuartarchibald/numba,numba/numba,gmarkall/numba,stuartarchibald/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,stonebig/numba,sklam/numba,cpcloud/numba,stuartarchibald/numba,seibert/numba,IntelLabs/numba,jriehl/numba,sklam/numba,numba/numba,gmarkall/numba,stonebig/numba,gmarkall/numba,sklam/numba,jriehl/numba,seibert/numba,jriehl/numba,IntelLabs/numba,jriehl/numba,seibert/numba