Add a test case for gh-72
Add a test case for gh-72

sol/aeson,abbradar/aeson,neobrain/aeson,nurpax/aeson,sol/aeson,sol/aeson,roelvandijk/aeson,neobrain/aeson,dmjio/aeson,SeanRBurton/aeson,beni55/aeson,lykahb/aeson,bwo/aeson,plaprade/aeson,roelvandijk/aeson,23Skidoo/aeson,JPMoresmau/aeson,jkarni/aeson,timmytofu/aeson,aelve/json-x