Add a test for a fixed bug in the Function type constructor
Add a test for a fixed bug in the Function type constructor

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