Fix function lookup in function cache
Fix function lookup in function cache

cpcloud/numba,GaZ3ll3/numba,gmarkall/numba,jriehl/numba,pitrou/numba,cpcloud/numba,stefanseefeld/numba,sklam/numba,stuartarchibald/numba,gmarkall/numba,ssarangi/numba,seibert/numba,shiquanwang/numba,gdementen/numba,sklam/numba,stonebig/numba,jriehl/numba,stefanseefeld/numba,pitrou/numba,pombredanne/numba,jriehl/numba,seibert/numba,stuartarchibald/numba,IntelLabs/numba,jriehl/numba,stonebig/numba,stefanseefeld/numba,pitrou/numba,ssarangi/numba,numba/numba,stefanseefeld/numba,jriehl/numba,gdementen/numba,numba/numba,GaZ3ll3/numba,shiquanwang/numba,IntelLabs/numba,gdementen/numba,gdementen/numba,sklam/numba,pombredanne/numba,cpcloud/numba,gdementen/numba,stuartarchibald/numba,IntelLabs/numba,numba/numba,pombredanne/numba,stonebig/numba,numba/numba,ssarangi/numba,GaZ3ll3/numba,pombredanne/numba,ssarangi/numba,gmarkall/numba,stefanseefeld/numba,pitrou/numba,pombredanne/numba,shiquanwang/numba,seibert/numba,GaZ3ll3/numba,stuartarchibald/numba,stuartarchibald/numba,GaZ3ll3/numba,stonebig/numba,cpcloud/numba,IntelLabs/numba,seibert/numba,sklam/numba,cpcloud/numba,pitrou/numba,gmarkall/numba,stonebig/numba,numba/numba,ssarangi/numba,gmarkall/numba,seibert/numba,IntelLabs/numba,sklam/numba