Add failing test case for .Latest deadlock
Add failing test case for .Latest deadlock

Originally from #2035 (h/t @stevebrambilla)

jackywpy/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,isghe/ReactiveCocoa,sugar2010/ReactiveCocoa,WEIBP/ReactiveCocoa,zhiwen1024/ReactiveCocoa,vincentiss/ReactiveCocoa,BlessNeo/ReactiveCocoa,jeelun/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,xiaobing2007/ReactiveCocoa,natan/ReactiveCocoa,hbucius/ReactiveCocoa,clg0118/ReactiveCocoa,luerhouhou/ReactiveCocoa,BlessNeo/ReactiveCocoa,mxxiv/ReactiveCocoa,stevielu/ReactiveCocoa,FelixYin66/ReactiveCocoa,xiaoliyang/ReactiveCocoa,mattpetters/ReactiveCocoa,walkingsmarts/ReactiveCocoa,tiger8888/ReactiveCocoa,cstars135/ReactiveCocoa,add715/ReactiveCocoa,llb1119/test,ReactiveCocoa/ReactiveSwift,imkerberos/ReactiveCocoa,emodeqidao/ReactiveCocoa,ddc391565320/ReactiveCocoa,natan/ReactiveCocoa,yytong/ReactiveCocoa,ikesyo/ReactiveCocoa,itschaitanya/ReactiveCocoa,dachaoisme/ReactiveCocoa,xulibao/ReactiveCocoa,add715/ReactiveCocoa,chao95957/ReactiveCocoa,esttorhe/ReactiveCocoa,AlanJN/ReactiveCocoa,brasbug/ReactiveCocoa,Pingco/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,CQXfly/ReactiveCocoa,yoichitgy/ReactiveCocoa,Farteen/ReactiveCocoa,ikesyo/ReactiveCocoa,ioshger0125/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,longv2go/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,howandhao/ReactiveCocoa,leichunfeng/ReactiveCocoa,shaohung001/ReactiveCocoa,monkeydbobo/ReactiveCocoa,nickcheng/ReactiveCocoa,paulyoung/ReactiveCocoa,rpowelll/ReactiveCocoa,gengjf/ReactiveCocoa,stupidfive/ReactiveCocoa,mtxs007/ReactiveCocoa,Eveian/ReactiveCocoa,xiaoliyang/ReactiveCocoa,calebd/ReactiveCocoa,DreamHill/ReactiveCocoa,Eveian/ReactiveCocoa,ohwutup/ReactiveCocoa,AlanJN/ReactiveCocoa,luerhouhou/ReactiveCocoa,jrmiddle/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,nickcheng/ReactiveCocoa,WEIBP/ReactiveCocoa,Juraldinio/ReactiveCocoa,loupman/ReactiveCocoa,Ethan89/ReactiveCocoa,AlanJN/ReactiveCocoa,ericzhou2008/ReactiveCocoa,tonyarnold/ReactiveCocoa,stupidfive/ReactiveCocoa,wpstarnice/ReactiveCocoa,jam891/ReactiveCocoa,pzw224/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,zxq3220122/ReactiveCocoa,SanChain/ReactiveCocoa,wangqi211/ReactiveCocoa,DreamHill/ReactiveCocoa,CQXfly/ReactiveCocoa,Khan/ReactiveCocoa,Ricowere/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,rpowelll/ReactiveCocoa,shaohung001/ReactiveCocoa,tonyli508/ReactiveCocoa,CQXfly/ReactiveCocoa,wpstarnice/ReactiveCocoa,jeelun/ReactiveCocoa,Ray0218/ReactiveCocoa,hilllinux/ReactiveCocoa,FelixYin66/ReactiveCocoa,libiao88/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,taylormoonxu/ReactiveCocoa,brasbug/ReactiveCocoa,beni55/ReactiveCocoa,goodheart/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,Rupert-RR/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,hbucius/ReactiveCocoa,hj3938/ReactiveCocoa,bscarano/ReactiveCocoa,bensonday/ReactiveCocoa,tiger8888/ReactiveCocoa,ceekayel/ReactiveCocoa,DreamHill/ReactiveCocoa,JohnJin007/ReactiveCocoa,Ricowere/ReactiveCocoa,dz1111/ReactiveCocoa,leelili/ReactiveCocoa,OneSmallTree/ReactiveCocoa,Juraldinio/ReactiveCocoa,zhiwen1024/ReactiveCocoa,emodeqidao/ReactiveCocoa,Ethan89/ReactiveCocoa,Liquidsoul/ReactiveCocoa,tornade0913/ReactiveCocoa,cnbin/ReactiveCocoa,ceekayel/ReactiveCocoa,imkerberos/ReactiveCocoa,OneSmallTree/ReactiveCocoa,kiurentu/ReactiveCocoa,takeshineshiro/ReactiveCocoa,walkingsmarts/ReactiveCocoa,sdhzwm/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,xumaolin/ReactiveCocoa,qq644531343/ReactiveCocoa,sugar2010/ReactiveCocoa,Rupert-RR/ReactiveCocoa,richeterre/ReactiveCocoa,jaylib/ReactiveCocoa,smilypeda/ReactiveCocoa,sandyway/ReactiveCocoa,zhigang1992/ReactiveCocoa,ioshger0125/ReactiveCocoa,takeshineshiro/ReactiveCocoa,jsslai/ReactiveCocoa,j364960953/ReactiveCocoa,leichunfeng/ReactiveCocoa,ohwutup/ReactiveCocoa,yonekawa/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,dskatz22/ReactiveCocoa,kiurentu/ReactiveCocoa,huiping192/ReactiveCocoa,zzzworm/ReactiveCocoa,Liquidsoul/ReactiveCocoa,imkerberos/ReactiveCocoa,dskatz22/ReactiveCocoa,yizzuide/ReactiveCocoa,Eveian/ReactiveCocoa,icepy/ReactiveCocoa,kaylio/ReactiveCocoa,pzw224/ReactiveCocoa,jrmiddle/ReactiveCocoa,alvinvarghese/ReactiveCocoa,monkeydbobo/ReactiveCocoa,SuPair/ReactiveCocoa,Ray0218/ReactiveCocoa,yonekawa/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,KuPai32G/ReactiveCocoa,victorlin/ReactiveCocoa,windgo/ReactiveCocoa,rpowelll/ReactiveCocoa,LHDsimon/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,BrooksWon/ReactiveCocoa,200895045/ReactiveCocoa,smilypeda/ReactiveCocoa,gengjf/ReactiveCocoa,dskatz22/ReactiveCocoa,almassapargali/ReactiveCocoa,200895045/ReactiveCocoa,BrooksWon/ReactiveCocoa,mtxs007/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,zxq3220122/ReactiveCocoa,zzqiltw/ReactiveCocoa,tonyli508/ReactiveCocoa,WEIBP/ReactiveCocoa,kaylio/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,Khan/ReactiveCocoa,xulibao/ReactiveCocoa,tzongw/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,dz1111/ReactiveCocoa,kevin-zqw/ReactiveCocoa,zhigang1992/ReactiveCocoa,windgo/ReactiveCocoa,tonyli508/ReactiveCocoa,fanghao085/ReactiveCocoa,zhukaixy/ReactiveCocoa,nikita-leonov/ReactiveCocoa,tonyarnold/ReactiveCocoa,buildo/ReactiveCocoa,yizzuide/ReactiveCocoa,liufeigit/ReactiveCocoa,loupman/ReactiveCocoa,KJin99/ReactiveCocoa,on99/ReactiveCocoa,zhigang1992/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,tzongw/ReactiveCocoa,ztchena/ReactiveCocoa,KuPai32G/ReactiveCocoa,zhiwen1024/ReactiveCocoa,hilllinux/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,victorlin/ReactiveCocoa,zzqiltw/ReactiveCocoa,mattpetters/ReactiveCocoa,goodheart/ReactiveCocoa,natan/ReactiveCocoa,dachaoisme/ReactiveCocoa,jackywpy/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,sujeking/ReactiveCocoa,vincentiss/ReactiveCocoa,buildo/ReactiveCocoa,fhchina/ReactiveCocoa,jaylib/ReactiveCocoa,j364960953/ReactiveCocoa,longv2go/ReactiveCocoa,Pingco/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,calebd/ReactiveCocoa,hj3938/ReactiveCocoa,fhchina/ReactiveCocoa,zhaoguohui/ReactiveCocoa,alvinvarghese/ReactiveCocoa,mtxs007/ReactiveCocoa,hj3938/ReactiveCocoa,xiaoliyang/ReactiveCocoa,qq644531343/ReactiveCocoa,richeterre/ReactiveCocoa,xiaobing2007/ReactiveCocoa,jaylib/ReactiveCocoa,natestedman/ReactiveCocoa,kevin-zqw/ReactiveCocoa,xumaolin/ReactiveCocoa,vincentiss/ReactiveCocoa,howandhao/ReactiveCocoa,chao95957/ReactiveCocoa,xulibao/ReactiveCocoa,longv2go/ReactiveCocoa,esttorhe/ReactiveCocoa,yytong/ReactiveCocoa,SanChain/ReactiveCocoa,ioshger0125/ReactiveCocoa,hbucius/ReactiveCocoa,leelili/ReactiveCocoa,taylormoonxu/ReactiveCocoa,hoanganh6491/ReactiveCocoa,cnbin/ReactiveCocoa,LHDsimon/ReactiveCocoa,kevin-zqw/ReactiveCocoa,ceekayel/ReactiveCocoa,xumaolin/ReactiveCocoa,dullgrass/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,lixar/ReactiveCocoa,jaylib/ReactiveCocoa,bensonday/ReactiveCocoa,leichunfeng/ReactiveCocoa,calebd/ReactiveCocoa,dullgrass/ReactiveCocoa,j364960953/ReactiveCocoa,almassapargali/ReactiveCocoa,emodeqidao/ReactiveCocoa,yoichitgy/ReactiveCocoa,libiao88/ReactiveCocoa,sujeking/ReactiveCocoa,fanghao085/ReactiveCocoa,BrooksWon/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,ShawnLeee/ReactiveCocoa,zhenlove/ReactiveCocoa,FelixYin66/ReactiveCocoa,tiger8888/ReactiveCocoa,on99/ReactiveCocoa,eyu1988/ReactiveCocoa,towik/ReactiveCocoa,Khan/ReactiveCocoa,Farteen/ReactiveCocoa,sujeking/ReactiveCocoa,llb1119/test,zhenlove/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,Juraldinio/ReactiveCocoa,goodheart/ReactiveCocoa,cnbin/ReactiveCocoa,andersio/ReactiveCocoa,mxxiv/ReactiveCocoa,sdhzwm/ReactiveCocoa,KJin99/ReactiveCocoa,ericzhou2008/ReactiveCocoa,takeshineshiro/ReactiveCocoa,jackywpy/ReactiveCocoa,huiping192/ReactiveCocoa,nikita-leonov/ReactiveCocoa,Liquidsoul/ReactiveCocoa,paulyoung/ReactiveCocoa,eyu1988/ReactiveCocoa,chieryw/ReactiveCocoa,add715/ReactiveCocoa,SuPair/ReactiveCocoa,loupman/ReactiveCocoa,sandyway/ReactiveCocoa,esttorhe/ReactiveCocoa,stevielu/ReactiveCocoa,windgo/ReactiveCocoa,nickcheng/ReactiveCocoa,OneSmallTree/ReactiveCocoa,luerhouhou/ReactiveCocoa,Ricowere/ReactiveCocoa,Pingco/ReactiveCocoa,yizzuide/ReactiveCocoa,stupidfive/ReactiveCocoa,yytong/ReactiveCocoa,xiaobing2007/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,shaohung001/ReactiveCocoa,zhaoguohui/ReactiveCocoa,LHDsimon/ReactiveCocoa,liufeigit/ReactiveCocoa,JohnJin007/ReactiveCocoa,towik/ReactiveCocoa,Ray0218/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,chao95957/ReactiveCocoa,paulyoung/ReactiveCocoa,JohnJin007/ReactiveCocoa,jam891/ReactiveCocoa,mattpetters/ReactiveCocoa,beni55/ReactiveCocoa,jam891/ReactiveCocoa,clg0118/ReactiveCocoa,kaylio/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,towik/ReactiveCocoa,smilypeda/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,SanChain/ReactiveCocoa,KJin99/ReactiveCocoa,nikita-leonov/ReactiveCocoa,richeterre/ReactiveCocoa,isghe/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,yonekawa/ReactiveCocoa,nickcheng/ReactiveCocoa,qq644531343/ReactiveCocoa,tornade0913/ReactiveCocoa,jsslai/ReactiveCocoa,hilllinux/ReactiveCocoa,wpstarnice/ReactiveCocoa,jsslai/ReactiveCocoa,JackLian/ReactiveCocoa,taylormoonxu/ReactiveCocoa,on99/ReactiveCocoa,zxq3220122/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,ddc391565320/ReactiveCocoa,tzongw/ReactiveCocoa,sandyway/ReactiveCocoa,jrmiddle/ReactiveCocoa,brasbug/ReactiveCocoa,icepy/ReactiveCocoa,wangqi211/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,chieryw/ReactiveCocoa,fanghao085/ReactiveCocoa,howandhao/ReactiveCocoa,chieryw/ReactiveCocoa,fhchina/ReactiveCocoa,gengjf/ReactiveCocoa,Ricowere/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,dz1111/ReactiveCocoa,JackLian/ReactiveCocoa,dullgrass/ReactiveCocoa,almassapargali/ReactiveCocoa,itschaitanya/ReactiveCocoa,ddc391565320/ReactiveCocoa,ericzhou2008/ReactiveCocoa,ztchena/ReactiveCocoa,buildo/ReactiveCocoa,lixar/ReactiveCocoa,zzqiltw/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,tonyarnold/ReactiveCocoa,ShawnLeee/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,zhukaixy/ReactiveCocoa,tornade0913/ReactiveCocoa,cogddo/ReactiveCocoa,lixar/ReactiveCocoa,itschaitanya/ReactiveCocoa,sdhzwm/ReactiveCocoa,huiping192/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,SuPair/ReactiveCocoa,kiurentu/ReactiveCocoa,jeelun/ReactiveCocoa,Ethan89/ReactiveCocoa,andersio/ReactiveCocoa,yoichitgy/ReactiveCocoa,liufeigit/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,cogddo/ReactiveCocoa,huiping192/ReactiveCocoa,hoanganh6491/ReactiveCocoa,zhaoguohui/ReactiveCocoa,monkeydbobo/ReactiveCocoa,clg0118/ReactiveCocoa,stevielu/ReactiveCocoa,bensonday/ReactiveCocoa,eyu1988/ReactiveCocoa,llb1119/test,hoanganh6491/ReactiveCocoa,zzzworm/ReactiveCocoa,BlessNeo/ReactiveCocoa,libiao88/ReactiveCocoa,Farteen/ReactiveCocoa,ShawnLeee/ReactiveCocoa,walkingsmarts/ReactiveCocoa,icepy/ReactiveCocoa,leelili/ReactiveCocoa,pzw224/ReactiveCocoa,natestedman/ReactiveCocoa,zzzworm/ReactiveCocoa,200895045/ReactiveCocoa,isghe/ReactiveCocoa,natestedman/ReactiveCocoa,victorlin/ReactiveCocoa,bscarano/ReactiveCocoa,bscarano/ReactiveCocoa,esttorhe/ReactiveCocoa,cstars135/ReactiveCocoa,dachaoisme/ReactiveCocoa,mxxiv/ReactiveCocoa,ztchena/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,Rupert-RR/ReactiveCocoa,andersio/ReactiveCocoa,KuPai32G/ReactiveCocoa,cstars135/ReactiveCocoa,cogddo/ReactiveCocoa,sugar2010/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,beni55/ReactiveCocoa,zhenlove/ReactiveCocoa,alvinvarghese/ReactiveCocoa,ohwutup/ReactiveCocoa,wangqi211/ReactiveCocoa,JackLian/ReactiveCocoa,zhukaixy/ReactiveCocoa