Revert "Merge pull request #203 from RReverser/ctor-spread-speedup"
Revert "Merge pull request #203 from RReverser/ctor-spread-speedup"

This reverts commit 714ca9fbc8f79892c43859af09277ab8413f710c, reversing
changes made to d50d4972a7742bff165c6841be0ca4e4f75b5ff4.

douglasduteil/babel,jnuine/babel,CrabDude/babel,hulkish/babel,AgentME/babel,cartermarino/babel,kevhuang/babel,sdiaz/babel,spicyj/babel,maurobringolf/babel,ortutay/babel,ryankanno/babel,cgvarela/babel,Victorystick/babel,ortutay/babel,mayflower/babel,KunGha/babel,Dignifiedquire/babel,framewr/babel,jridgewell/babel,cesarandreu/6to5,jeffmo/babel,spicyj/babel,plemarquand/babel,ameyms/babel,greyhwndz/babel,antn/babel,TheAlphaNerd/babel,drieks/babel,gxr1020/babel,TheAlphaNerd/babel,andrejkn/babel,cesarandreu/6to5,kpdecker/babel,Mark-Simulacrum/babel,CrabDude/babel,ming-codes/babel,tricknotes/babel,kpdecker/babel,codenamejason/babel,mgcrea/babel,ramoslin02/babel,ysmood/babel,hughsk/babel,beni55/babel,hzoo/babel,andrejkn/babel,loganfsmyth/babel,gxr1020/babel,vjeux/babel,KualiCo/babel,lxe/babel,Jabher/babel,Dignifiedquire/babel,ianmstew/babel,Industrial/babel,ErikBaath/babel,jeffmo/babel,koistya/babel,macressler/babel,ianmstew/babel,pingjiang/babel,sejoker/babel,megawac/babel,codenamejason/babel,ajcrites/babybel,amasad/babel,jnuine/babel,loganfsmyth/babel,iamchenxin/babel,iamolivinius/babel,ezbreaks/babel,sdiaz/babel,fabiomcosta/babel,chicoxyzzy/babel,iamchenxin/babel,hubli/babel,lxe/babel,azu/babel,sairion/babel,ywo/babel,shuhei/babel,hulkish/babel,Jeremy017/babel,PolymerLabs/babel,jchip/babel,jridgewell/babel,douglasduteil/babel,hzoo/babel,spicyj/babel,grasuxxxl/babel,maurobringolf/babel,sethcall/babel,zjmiller/babel,macressler/babel,benjamn/babel,abdulsam/babel,zenparsing/babel,SaltTeam/babel,mrmayfield/babel,jeffmo/babel,tricknotes/babel,nmn/babel,james4388/babel,ysmood/babel,lydell/babel,andrewwilkins/babel,dekelcohen/babel,Skillupco/babel,inikulin/babel,azu/babel,ryankanno/babel,sethcall/babel,drieks/babel,koistya/babel,grasuxxxl/babel,tav/mu-babel,johnamiahford/babel,1yvT0s/babel,vipulnsward/babel,Industrial/babel,jackmew/babel,tikotzky/babel,framewr/babel,cartermarino/babel,jmptrader/babel,rektide/babel-repl,rn0/babel,ellbee/babel,vipulnsward/babel,moander/babel,nmn/babel,kevhuang/babel,steveluscher/babel,Jeremy017/babel,Mark-Simulacrum/babel,jhen0409/babel,pixeldrew/babel,andrewwilkins/babel,babel/babel,nishant8BITS/babel,VukDukic/babel,rmacklin/babel,prathamesh-sonpatki/babel,grasuxxxl/babel,mayflower/babel,rn0/babel,dekelcohen/babel,guybedford/babel,paulcbetts/babel,moander/babel,SaltTeam/babel,guybedford/babel,babel/babel,mayflower/babel,jmm/babel,KualiCo/babel,cgvarela/babel,stefanpenner/6to5,Dignifiedquire/babel,zorosteven/babel,manukall/babel,aalluri-navaratan/babel,thejameskyle/babel,benjamn/babel,vhf/babel,bcoe/babel,kassens/babel,e-jigsaw/babel,kedromelon/babel,PolymerLabs/babel,tav/mu-babel,pingjiang/babel,kaicataldo/babel,hryniu555/babel,thejameskyle/babel,1yvT0s/babel,Jabher/babel,garyjN7/babel,thorikawa/babel,ajcrites/babybel,prathamesh-sonpatki/babel,aalluri-navaratan/babel,tricknotes/babel,dariocravero/babel,sethcall/babel,plemarquand/babel,ramoslin02/babel,KualiCo/babel,pixeldrew/babel,claudiopro/babel,chicoxyzzy/babel,jhen0409/babel,mcanthony/babel,sejoker/babel,STRML/babel,james4388/babel,jridgewell/babel,kedromelon/babel,ywo/babel,ccschneidr/babel,victorenator/babel,Victorystick/babel,AgentME/babel,ysmood/babel,forivall-old-repos/tacoscript-babel-shared-history,shuhei/babel,dariocravero/babel,ezbreaks/babel,zorosteven/babel,Victorystick/babel,VukDukic/babel,zjmiller/babel,amasad/babel,ezbreaks/babel,krasimir/babel,drieks/babel,rmacklin/babel,existentialism/babel,vadzim/babel,rektide/babel-repl,paulcbetts/babel,codenamejason/babel,nmn/babel,iamolivinius/babel,jackmew/babel,luca-barbieri/5to6,gaearon/6to5,jridgewell/babel,nishant8BITS/babel,thorikawa/babel,vjeux/babel,DmitrySoshnikov/babel,mgcrea/babel,kevhuang/babel,mrmayfield/babel,macressler/babel,michaelficarra/babel,kellyselden/babel,beni55/babel,PolymerLabs/babel,chengky/babel,paulcbetts/babel,plemarquand/babel,goatslacker/babel,chicoxyzzy/babel,kassens/babel,lastjune/babel,SaltTeam/babel,jmptrader/babel,sairion/babel,hulkish/babel,koistya/babel,andrewwilkins/babel,jmptrader/babel,kevinb7/6to5,megawac/babel,fabiomcosta/babel,luca-barbieri/5to6,victorenator/babel,greyhwndz/babel,douglasduteil/babel,rwjblue/babel,mrapogee/babel,existentialism/babel,vipulnsward/babel,CrabDude/babel,rwjblue/babel,kaicataldo/babel,gxr1020/babel,andrejkn/babel,existentialism/babel,zenlambda/babel,greyhwndz/babel,arthurvr/babel,aalluri-navaratan/babel,STRML/babel,hzoo/babel,beni55/babel,mrapogee/babel,iamolivinius/babel,forivall/babel,hzoo/babel,lastjune/babel,chicoxyzzy/babel,nvivo/babel,dariocravero/babel,ramoslin02/babel,moander/babel,zenlambda/babel,kevinb7/6to5,samccone/babel,e-jigsaw/babel,cesarandreu/6to5,mcanthony/babel,1yvT0s/babel,claudiopro/babel,dustyjewett/babel-plugin-transform-es2015-modules-commonjs-ember,iamstarkov/babel,samwgoldman/babel,CrocoDillon/babel,jackmew/babel,kedromelon/babel,tikotzky/babel,sairion/babel,zertosh/babel,ErikBaath/babel,ywo/babel,VukDukic/babel,kaicataldo/babel,zenparsing/babel,james4388/babel,zertosh/babel,manukall/b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