TST: adding failing tests for #3111
TST: adding failing tests for #3111

It is indeed the fast-path change that broke dtype behavior.
matthew-brett/scipy,rgommers/scipy,rmcgibbo/scipy,bkendzior/scipy,mdhaber/scipy,pyramania/scipy,perimosocordiae/scipy,argriffing/scipy,lukauskas/scipy,WarrenWeckesser/scipy,surhudm/scipy,newemailjdm/scipy,mgaitan/scipy,giorgiop/scipy,ales-erjavec/scipy,scipy/scipy,vhaasteren/scipy,pizzathief/scipy,mtrbean/scipy,niknow/scipy,mortonjt/scipy,e-q/scipy,Kamp9/scipy,nvoron23/scipy,rmcgibbo/scipy,nonhermitian/scipy,aman-iitj/scipy,WillieMaddox/scipy,grlee77/scipy,lhilt/scipy,fernand/scipy,bkendzior/scipy,scipy/scipy,vhaasteren/scipy,anielsen001/scipy,dch312/scipy,zaxliu/scipy,scipy/scipy,mhogg/scipy,Dapid/scipy,ChanderG/scipy,ndchorley/scipy,jor-/scipy,mortada/scipy,befelix/scipy,ndchorley/scipy,richardotis/scipy,njwilson23/scipy,mgaitan/scipy,Eric89GXL/scipy,jamestwebber/scipy,ales-erjavec/scipy,mdhaber/scipy,WillieMaddox/scipy,felipebetancur/scipy,pschella/scipy,vanpact/scipy,Kamp9/scipy,Newman101/scipy,scipy/scipy,anielsen001/scipy,hainm/scipy,niknow/scipy,e-q/scipy,chatcannon/scipy,zerothi/scipy,andyfaff/scipy,apbard/scipy,lhilt/scipy,jakevdp/scipy,witcxc/scipy,raoulbq/scipy,cpaulik/scipy,haudren/scipy,mhogg/scipy,jonycgn/scipy,aman-iitj/scipy,futurulus/scipy,anntzer/scipy,mortada/scipy,mdhaber/scipy,perimosocordiae/scipy,raoulbq/scipy,gfyoung/scipy,minhlongdo/scipy,mikebenfield/scipy,jakevdp/scipy,trankmichael/scipy,surhudm/scipy,josephcslater/scipy,Newman101/scipy,zxsted/scipy,witcxc/scipy,petebachant/scipy,matthew-brett/scipy,tylerjereddy/scipy,giorgiop/scipy,pschella/scipy,efiring/scipy,Kamp9/scipy,lhilt/scipy,vanpact/scipy,matthewalbani/scipy,sonnyhu/scipy,gef756/scipy,pnedunuri/scipy,argriffing/scipy,jakevdp/scipy,sauliusl/scipy,witcxc/scipy,rmcgibbo/scipy,felipebetancur/scipy,sonnyhu/scipy,fredrikw/scipy,maniteja123/scipy,nmayorov/scipy,gef756/scipy,jamestwebber/scipy,hainm/scipy,jonycgn/scipy,mortonjt/scipy,Kamp9/scipy,vigna/scipy,vanpact/scipy,zerothi/scipy,maciejkula/scipy,dominicelse/scipy,Stefan-Endres/scipy,Gillu13/scipy,mdhaber/scipy,pyramania/scipy,ChanderG/scipy,mortonjt/scipy,mgaitan/scipy,matthewalbani/scipy,trankmichael/scipy,aarchiba/scipy,pbrod/scipy,argriffing/scipy,newemailjdm/scipy,vigna/scipy,Gillu13/scipy,zxsted/scipy,jamestwebber/scipy,ales-erjavec/scipy,kleskjr/scipy,maciejkula/scipy,zaxliu/scipy,dominicelse/scipy,piyush0609/scipy,niknow/scipy,ilayn/scipy,josephcslater/scipy,surhudm/scipy,chatcannon/scipy,jamestwebber/scipy,andim/scipy,ortylp/scipy,WarrenWeckesser/scipy,argriffing/scipy,tylerjereddy/scipy,larsmans/scipy,matthew-brett/scipy,Srisai85/scipy,efiring/scipy,futurulus/scipy,pnedunuri/scipy,Srisai85/scipy,Gillu13/scipy,petebachant/scipy,aarchiba/scipy,gef756/scipy,dch312/scipy,Kamp9/scipy,befelix/scipy,jjhelmus/scipy,chatcannon/scipy,hainm/scipy,vigna/scipy,ales-erjavec/scipy,grlee77/scipy,jakevdp/scipy,cpaulik/scipy,nvoron23/scipy,piyush0609/scipy,mingwpy/scipy,perimosocordiae/scipy,Shaswat27/scipy,nmayorov/scipy,njwilson23/scipy,jsilter/scipy,person142/scipy,vanpact/scipy,jor-/scipy,fernand/scipy,jsilter/scipy,Eric89GXL/scipy,sonnyhu/scipy,andim/scipy,futurulus/scipy,Srisai85/scipy,trankmichael/scipy,endolith/scipy,niknow/scipy,ogrisel/scipy,Newman101/scipy,tylerjereddy/scipy,FRidh/scipy,behzadnouri/scipy,josephcslater/scipy,ilayn/scipy,mortonjt/scipy,maciejkula/scipy,larsmans/scipy,anielsen001/scipy,jsilter/scipy,aeklant/scipy,anntzer/scipy,ortylp/scipy,perimosocordiae/scipy,Dapid/scipy,petebachant/scipy,petebachant/scipy,pschella/scipy,jjhelmus/scipy,Gillu13/scipy,njwilson23/scipy,pnedunuri/scipy,newemailjdm/scipy,pbrod/scipy,WarrenWeckesser/scipy,bkendzior/scipy,mtrbean/scipy,perimosocordiae/scipy,kalvdans/scipy,apbard/scipy,gertingold/scipy,zerothi/scipy,ndchorley/scipy,ortylp/scipy,apbard/scipy,jor-/scipy,vigna/scipy,person142/scipy,zerothi/scipy,mortada/scipy,Shaswat27/scipy,sriki18/scipy,Stefan-Endres/scipy,Gillu13/scipy,behzadnouri/scipy,piyush0609/scipy,aeklant/scipy,rgommers/scipy,sriki18/scipy,woodscn/scipy,jonycgn/scipy,nonhermitian/scipy,njwilson23/scipy,vhaasteren/scipy,mortonjt/scipy,sonnyhu/scipy,sriki18/scipy,lhilt/scipy,jjhelmus/scipy,Newman101/scipy,gef756/scipy,endolith/scipy,woodscn/scipy,e-q/scipy,lukauskas/scipy,pizzathief/scipy,mdhaber/scipy,kleskjr/scipy,vberaudi/scipy,e-q/scipy,befelix/scipy,maciejkula/scipy,Eric89GXL/scipy,pschella/scipy,felipebetancur/scipy,nonhermitian/scipy,andim/scipy,FRidh/scipy,gdooper/scipy,giorgiop/scipy,scipy/scipy,surhudm/scipy,richardotis/scipy,sonnyhu/scipy,rmcgibbo/scipy,fernand/scipy,Eric89GXL/scipy,mortada/scipy,endolith/scipy,aeklant/scipy,anntzer/scipy,ortylp/scipy,sonnyhu/scipy,behzadnouri/scipy,mortada/scipy,zxsted/scipy,jsilter/scipy,zaxliu/scipy,mhogg/scipy,anntzer/scipy,gdooper/scipy,vberaudi/scipy,Dapid/scipy,matthewalbani/scipy,gfyoung/scipy,kalvdans/scipy,lukauskas/scipy,lhilt/scipy,gfyoung/scipy,newemailjdm/scipy,gdooper/scipy,minhlongdo/scipy,vhaasteren/scipy,WillieMaddox/scipy,kleskjr/scipy,maniteja123/scipy,josephcslater/scipy,haudren/scipy,mtrbean/scipy,Shaswat27/scipy,Newman101/scipy,andim/scipy,haudren/scipy,richardotis/scipy,Srisai85/scipy,mhogg/scipy,mikebenfield/scipy,ortylp/scipy,argriffing/scipy,mikebenfield/scipy,newemailjdm/scipy,chatcannon/scipy,arokem/scipy,mortonjt/scipy,argriffing/scipy,hainm/scipy,nmayorov/scipy,hainm/scipy,pschella/scipy,grlee77/scipy,woodscn/scipy,chatcannon/scipy,richardotis/scipy,arokem/scipy,fernand/scipy,person142/scipy,vberaudi/scipy,vhaasteren/scipy,giorgiop/scipy,endolith/scipy,kalvdans/scipy,mgaitan/scipy,dominicelse/scipy,giorgiop/scipy,Stefan-Endres/scipy,cpaulik/scipy,matthew-brett/scipy,person142/scipy,vanpact/scipy,gertingold/scipy,Dapid/scipy,ndchorley/scipy,nonhermitian/scipy,mikebenfield/scipy,kalvdans/scipy,niknow/scipy,richardotis/scipy,jseabold/scipy,pnedunuri/scipy,dominicelse/scipy,aman-iitj/scipy,aeklant/scipy,fredrikw/scipy,witcxc/scipy,vberaudi/scipy,vigna/scipy,gdooper/scipy,mingwpy/scipy,cpaulik/scipy,ales-erjavec/scipy,Stefan-Endres/scipy,rgommers/scipy,arokem/scipy,FRidh/scipy,mingwpy/scipy,ndchorley/scipy,njwilson23/scipy,josephcslater/scipy,Dapid/scipy,gfyoung/scipy,WarrenWeckesser/scipy,pnedunuri/scipy,apbard/scipy,piyush0609/scipy,WillieMaddox/scipy,haudren/scipy,Dapid/scipy,pyramania/scipy,mtrbean/scipy,lukauskas/scipy,ilayn/scipy,jor-/scipy,raoulbq/scipy,Eric89GXL/scipy,apbard/scipy,larsmans/scipy,pizzathief/scipy,cpaulik/scipy,sauliusl/scipy,tylerjereddy/scipy,nvoron23/scipy,jjhelmus/scipy,maniteja123/scipy,aeklant/scipy,nvoron23/scipy,aarchiba/scipy,befelix/scipy,ogrisel/scipy,nonhermitian/scipy,pnedunuri/scipy,jor-/scipy,Shaswat27/scipy,fredrikw/scipy,jonycgn/scipy,zerothi/scipy,anntzer/scipy,matthewalbani/scipy,perimosocordiae/scipy,kleskjr/scipy,Gillu13/scipy,jamestwebber/scipy,jakevdp/scipy,vhaasteren/scipy,mikebenfield/scipy,gertingold/scipy,andim/scipy,ilayn/scipy,futurulus/scipy,aman-iitj/scipy,arokem/scipy,zaxliu/scipy,jseabold/scipy,maciejkula/scipy,gertingold/scipy,Eric89GXL/scipy,Kamp9/scipy,petebachant/scipy,witcxc/scipy,minhlongdo/scipy,e-q/scipy,vanpact/scipy,sauliusl/scipy,ogrisel/scipy,andyfaff/scipy,jonycgn/scipy,sauliusl/scipy,rmcgibbo/scipy,ortylp/scipy,piyush0609/scipy,FRidh/scipy,nvoron23/scipy,ChanderG/scipy,dch312/scipy,gdooper/scipy,pyramania/scipy,fernand/scipy,rgommers/scipy,zxsted/scipy,gef756/scipy,WillieMaddox/scipy,lukauskas/scipy,dominicelse/scipy,nmayorov/scipy,efiring/scipy,pyramania/scipy,befelix/scipy,raoulbq/scipy,newemailjdm/scipy,Newman101/scipy,surhudm/scipy,Srisai85/scipy,aman-iitj/scipy,ChanderG/scipy,grlee77/scipy,dch312/scipy,minhlongdo/scipy,nmayorov/scipy,behzadnouri/scipy,bkendzior/scipy,ilayn/scipy,ChanderG/scipy,aarchiba/scipy,matthewalbani/scipy,dch312/scipy,WarrenWeckesser/scipy,felipebetancur/scipy,efiring/scipy,matthew-brett/scipy,vberaudi/scipy,andim/scipy,FRidh/scipy,bkendzior/scipy,trankmichael/scipy,ogrisel/scipy,ilayn/scipy,felipebetancur/scipy,petebachant/scipy,sauliusl/scipy,larsmans/scipy,efiring/scipy,anielsen001/scipy,Srisai85/scipy,maniteja123/scipy,behzadnouri/scipy,jseabold/scipy,fredrikw/scipy,FRidh/scipy,sauliusl/scipy,niknow/scipy,pbrod/scipy,zaxliu/scipy,pbrod/scipy,mdhaber/scipy,Stefan-Endres/scipy,anntzer/scipy,fernand/scipy,mhogg/scipy,behzadnouri/scipy,Shaswat27/scipy,pbrod/scipy,fredrikw/scipy,richardotis/scipy,ndchorley/scipy,rgommers/scipy,endolith/scipy,kalvdans/scipy,raoulbq/scipy,surhudm/scipy,aman-iitj/scipy,Shaswat27/scipy,rmcgibbo/scipy,raoulbq/scipy,jseabold/scipy,nvoron23/scipy,minhlongdo/scipy,kleskjr/scipy,jonycgn/scipy,minhlongdo/scipy,scipy/scipy,njwilson23/scipy,sriki18/scipy,pizzathief/scipy,pizzathief/scipy,ales-erjavec/scipy,grlee77/scipy,zxsted/scipy,chatcannon/scipy,zaxliu/scipy,trankmichael/scipy,woodscn/scipy,mtrbean/scipy,vberaudi/scipy,efiring/scipy,mingwpy/scipy,jseabold/scipy,jjhelmus/scipy,andyfaff/scipy,zxsted/scipy,haudren/scipy,larsmans/scipy,mhogg/scipy,WillieMaddox/scipy,kleskjr/scipy,WarrenWeckesser/scipy,endolith/scipy,anielsen001/scipy,futurulus/scipy,aarchiba/scipy,giorgiop/scipy,gef756/scipy,jsilter/scipy,mingwpy/scipy,andyfaff/scipy,mgaitan/scipy,sriki18/scipy,mingwpy/scipy,tylerjereddy/scipy,woodscn/scipy,hainm/scipy,maniteja123/scipy,futurulus/scipy,Stefan-Endres/scipy,mortada/scipy,pbrod/scipy,gfyoung/scipy,piyush0609/scipy,anielsen001/scipy,felipebetancur/scipy,haudren/scipy,cpaulik/scipy,fredrikw/scipy,maniteja123/scipy,andyfaff/scipy,woodscn/scipy,arokem/scipy,zerothi/scipy,larsmans/scipy,mtrbean/scipy,gertingold/scipy,andyfaff/scipy,lukauskas/scipy,trankmichael/scipy,ogrisel/scipy,ChanderG/scipy,jseabold/scipy,sriki18/scipy,person142/scipy,mgaitan/scipy