throw error when attemping to replace a Program root node with another node not of type Program - closes #1762
throw error when attemping to replace a Program root node with another node not of type Program - closes #1762

ming-codes/babel,zenlambda/babel,TheAlphaNerd/babel,iamolivinius/babel,iamstarkov/babel,chengky/babel,johnamiahford/babel,ajcrites/babybel,moander/babel,pingjiang/babel,ywo/babel,jackmew/babel,kevhuang/babel,kellyselden/babel,forivall/babel,jchip/babel,paulcbetts/babel,grasuxxxl/babel,sejoker/babel,PolymerLabs/babel,vipulnsward/babel,zorosteven/babel,casser/babel,lxe/babel,tricknotes/babel,lastjune/babel,kassens/babel,krasimir/babel,ryankanno/babel,michaelficarra/babel,Dignifiedquire/babel,DmitrySoshnikov/babel,Victorystick/babel,ysmood/babel,antn/babel,victorenator/babel,aalluri-navaratan/babel,ysmood/babel,claudiopro/babel,jeffmo/babel,rn0/babel,kellyselden/babel,zorosteven/babel,cartermarino/babel,e-jigsaw/babel,Jeremy017/babel,KualiCo/babel,mrmayfield/babel,plemarquand/babel,abdulsam/babel,kedromelon/babel,mrapogee/babel,SaltTeam/babel,codenamejason/babel,beni55/babel,Dignifiedquire/babel,ajcrites/babybel,aalluri-navaratan/babel,cartermarino/babel,abdulsam/babel,moander/babel,iamchenxin/babel,1yvT0s/babel,paulcbetts/babel,tricknotes/babel,zenparsing/babel,zertosh/babel,tikotzky/babel,ellbee/babel,nishant8BITS/babel,e-jigsaw/babel,beni55/babel,kpdecker/babel,1yvT0s/babel,andrewwilkins/babel,tricknotes/babel,spicyj/babel,sairion/babel,nmn/babel,jhen0409/babel,jmptrader/babel,douglasduteil/babel,babel/babel,framewr/babel,Mark-Simulacrum/babel,sairion/babel,sethcall/babel,chicoxyzzy/babel,spicyj/babel,samwgoldman/babel,codenamejason/babel,VukDukic/babel,inikulin/babel,pingjiang/babel,mrmayfield/babel,mayflower/babel,zorosteven/babel,ErikBaath/babel,paulcbetts/babel,fabiomcosta/babel,cgvarela/babel,nmn/babel,macressler/babel,DmitrySoshnikov/babel,plemarquand/babel,casser/babel,ywo/babel,hzoo/babel,victorenator/babel,samccone/babel,nvivo/babel,existentialism/babel,jridgewell/babel,hubli/babel,ezbreaks/babel,zenparsing/babel,guybedford/babel,VukDukic/babel,mrtrizer/babel,kevhuang/babel,cesarandreu/6to5,zenlambda/babel,samwgoldman/babel,jridgewell/babel,mcanthony/babel,mayflower/babel,mcanthony/babel,babel/babel,kellyselden/babel,arthurvr/babel,drieks/babel,koistya/babel,claudiopro/babel,prathamesh-sonpatki/babel,kaicataldo/babel,1yvT0s/babel,Skillupco/babel,chicoxyzzy/babel,jeffmo/babel,ryankanno/babel,shuhei/babel,nishant8BITS/babel,arthurvr/babel,steveluscher/babel,maurobringolf/babel,existentialism/babel,garyjN7/babel,zjmiller/babel,ywo/babel,Victorystick/babel,steveluscher/babel,ianmstew/babel,vadzim/babel,vjeux/babel,framewr/babel,ianmstew/babel,garyjN7/babel,forivall-old-repos/tacoscript-babel-shared-history,gxr1020/babel,jackmew/babel,bcoe/babel,hulkish/babel,hulkish/babel,james4388/babel,CrabDude/babel,ming-codes/babel,AgentME/babel,fabiomcosta/babel,vipulnsward/babel,chicoxyzzy/babel,greyhwndz/babel,jridgewell/babel,sejoker/babel,pixeldrew/babel,kedromelon/babel,CrocoDillon/babel,zenlambda/babel,samccone/babel,guybedford/babel,sethcall/babel,james4388/babel,macressler/babel,vjeux/babel,jnuine/babel,rektide/babel-repl,mrtrizer/babel,benjamn/babel,douglasduteil/babel,Skillupco/babel,andrejkn/babel,e-jigsaw/babel,ramoslin02/babel,hzoo/babel,ortutay/babel,andrewwilkins/babel,ramoslin02/babel,prathamesh-sonpatki/babel,jnuine/babel,thorikawa/babel,ortutay/babel,greyhwndz/babel,SaltTeam/babel,jhen0409/babel,mrapogee/babel,james4388/babel,ajcrites/babybel,lxe/babel,shuhei/babel,chicoxyzzy/babel,megawac/babel,Victorystick/babel,abdulsam/babel,ccschneidr/babel,iamolivinius/babel,codenamejason/babel,iamolivinius/babel,rmacklin/babel,Jeremy017/babel,hulkish/babel,kpdecker/babel,bcoe/babel,forivall/babel,koistya/babel,aalluri-navaratan/babel,ErikBaath/babel,Mark-Simulacrum/babel,TheAlphaNerd/babel,thejameskyle/babel,spicyj/babel,maurobringolf/babel,ortutay/babel,AgentME/babel,lastjune/babel,gxr1020/babel,inikulin/babel,zertosh/babel,drieks/babel,babel/babel,cesarandreu/6to5,dekelcohen/babel,kassens/babel,pingjiang/babel,cesarandreu/6to5,rn0/babel,ramoslin02/babel,antn/babel,rektide/babel-repl,thorikawa/babel,lastjune/babel,sejoker/babel,rmacklin/babel,sethcall/babel,ianmstew/babel,STRML/babel,samwgoldman/babel,johnamiahford/babel,jnuine/babel,Mark-Simulacrum/babel,iamchenxin/babel,inikulin/babel,shuhei/babel,kaicataldo/babel,grasuxxxl/babel,mgcrea/babel,jmptrader/babel,vhf/babel,STRML/babel,vipulnsward/babel,kaicataldo/babel,thejameskyle/babel,mcanthony/babel,framewr/babel,johnamiahford/babel,nvivo/babel,nmn/babel,mrapogee/babel,pixeldrew/babel,Industrial/babel,kedromelon/babel,vhf/babel,mayflower/babel,jackmew/babel,ErikBaath/babel,andrewwilkins/babel,douglasduteil/babel,KualiCo/babel,manukall/babel,KualiCo/babel,greyhwndz/babel,ysmood/babel,Skillupco/babel,ameyms/babel,cgvarela/babel,manukall/babel,vjeux/babel,mgcrea/babel,thorikawa/babel,michaelficarra/babel,mgcrea/babel,Skillupco/babel,ezbreaks/babel,chengky/babel,VukDukic/babel,Industrial/babel,claudiopro/babel,gxr1020/babel,cgvarela/babel,ameyms/babel,hzoo/babel,plemarquand/babel,SaltTeam/babel,CrocoDillon/babel,kellyselden/babel,jmptrader/babel,jchip/babel,tikotzky/babel,hzoo/babel,hulkish/babel,kaicataldo/babel,megawac/babel,victorenator/babel,moander/babel,babel/babel,maurobringolf/babel,ezbreaks/babel,cartermarino/babel,iamstarkov/babel,Dignifiedquire/babel,PolymerLabs/babel,KunGha/babel,iamchenxin/babel,ccschneidr/babel,beni55/babel,andrejkn/babel,zjmiller/babel,ellbee/babel,sairion/babel,dustyjewett/babel-plugin-transform-es2015-modules-commonjs-ember,vadzim/babel,ryankanno/babel,forivall-old-repos/tacoscript-babel-shared-history,michaelficarra/babel,kevhuang/babel,steveluscher/babel,megawac/babel,andrejkn/babel,CrabDude/babel,pixeldrew/babel,chengky/babel,dekelcohen/babel,KunGha/babel,CrabDude/babel,koistya/babel,PolymerLabs/babel,prathamesh-sonpatki/babel,benjamn/babel,grasuxxxl/babel,jeffmo/babel,guybedford/babel,rn0/babel,jridgewell/babel,existentialism/babel,Jeremy017/babel,ming-codes/babel,TheAlphaNerd/babel,drieks/babel,macressler/babel,hubli/babel,hubli/babel,forivall/babel,krasimir/babel,manukall/babel