[TBDGen] Class inits can appear in extensions, not just ClassDecls.
[TBDGen] Class inits can appear in extensions, not just ClassDecls.

uasys/swift,jmgc/swift,stephentyrone/swift,xwu/swift,karwa/swift,CodaFi/swift,frootloops/swift,nathawes/swift,return/swift,apple/swift,huonw/swift,roambotics/swift,natecook1000/swift,hooman/swift,return/swift,frootloops/swift,devincoughlin/swift,practicalswift/swift,amraboelela/swift,felix91gr/swift,allevato/swift,devincoughlin/swift,jmgc/swift,sschiau/swift,lorentey/swift,tkremenek/swift,roambotics/swift,jckarter/swift,glessard/swift,jmgc/swift,allevato/swift,stephentyrone/swift,JGiola/swift,sschiau/swift,harlanhaskins/swift,swiftix/swift,xedin/swift,nathawes/swift,gribozavr/swift,xwu/swift,gribozavr/swift,return/swift,OscarSwanros/swift,danielmartin/swift,roambotics/swift,aschwaighofer/swift,tjw/swift,natecook1000/swift,jckarter/swift,practicalswift/swift,felix91gr/swift,xedin/swift,gregomni/swift,nathawes/swift,uasys/swift,shajrawi/swift,ahoppen/swift,huonw/swift,practicalswift/swift,JGiola/swift,gregomni/swift,deyton/swift,alblue/swift,deyton/swift,shahmishal/swift,parkera/swift,frootloops/swift,amraboelela/swift,hooman/swift,jmgc/swift,austinzheng/swift,deyton/swift,brentdax/swift,alblue/swift,danielmartin/swift,apple/swift,lorentey/swift,rudkx/swift,austinzheng/swift,swiftix/swift,gribozavr/swift,rudkx/swift,huonw/swift,shajrawi/swift,apple/swift,danielmartin/swift,aschwaighofer/swift,jckarter/swift,airspeedswift/swift,zisko/swift,atrick/swift,OscarSwanros/swift,nathawes/swift,benlangmuir/swift,tjw/swift,harlanhaskins/swift,ahoppen/swift,hooman/swift,lorentey/swift,zisko/swift,parkera/swift,felix91gr/swift,deyton/swift,shahmishal/swift,atrick/swift,glessard/swift,xwu/swift,brentdax/swift,felix91gr/swift,xedin/swift,parkera/swift,xwu/swift,xwu/swift,jckarter/swift,rudkx/swift,allevato/swift,return/swift,karwa/swift,practicalswift/swift,JGiola/swift,shahmishal/swift,jmgc/swift,shajrawi/swift,apple/swift,harlanhaskins/swift,milseman/swift,rudkx/swift,amraboelela/swift,zisko/swift,parkera/swift,milseman/swift,shajrawi/swift,return/swift,frootloops/swift,roambotics/swift,zisko/swift,gregomni/swift,atrick/swift,JGiola/swift,parkera/swift,jopamer/swift,xedin/swift,swiftix/swift,frootloops/swift,ahoppen/swift,nathawes/swift,jckarter/swift,swiftix/swift,hooman/swift,aschwaighofer/swift,zisko/swift,gribozavr/swift,ahoppen/swift,sschiau/swift,practicalswift/swift,devincoughlin/swift,xedin/swift,milseman/swift,tkremenek/swift,uasys/swift,allevato/swift,airspeedswift/swift,jckarter/swift,stephentyrone/swift,uasys/swift,gregomni/swift,alblue/swift,shajrawi/swift,harlanhaskins/swift,amraboelela/swift,shahmishal/swift,deyton/swift,brentdax/swift,stephentyrone/swift,danielmartin/swift,atrick/swift,gregomni/swift,frootloops/swift,glessard/swift,shahmishal/swift,felix91gr/swift,milseman/swift,rudkx/swift,allevato/swift,tjw/swift,OscarSwanros/swift,glessard/swift,benlangmuir/swift,lorentey/swift,tkremenek/swift,lorentey/swift,milseman/swift,jopamer/swift,tkremenek/swift,austinzheng/swift,brentdax/swift,CodaFi/swift,huonw/swift,JGiola/swift,practicalswift/swift,huonw/swift,huonw/swift,deyton/swift,alblue/swift,allevato/swift,benlangmuir/swift,austinzheng/swift,xwu/swift,sschiau/swift,jopamer/swift,gribozavr/swift,allevato/swift,zisko/swift,harlanhaskins/swift,jmgc/swift,natecook1000/swift,aschwaighofer/swift,airspeedswift/swift,shahmishal/swift,harlanhaskins/swift,aschwaighofer/swift,devincoughlin/swift,benlangmuir/swift,brentdax/swift,shajrawi/swift,sschiau/swift,xedin/swift,OscarSwanros/swift,atrick/swift,CodaFi/swift,airspeedswift/swift,glessard/swift,airspeedswift/swift,austinzheng/swift,JGiola/swift,karwa/swift,karwa/swift,apple/swift,alblue/swift,OscarSwanros/swift,parkera/swift,zisko/swift,deyton/swift,uasys/swift,CodaFi/swift,stephentyrone/swift,karwa/swift,karwa/swift,natecook1000/swift,CodaFi/swift,ahoppen/swift,practicalswift/swift,OscarSwanros/swift,jckarter/swift,xedin/swift,atrick/swift,jopamer/swift,tjw/swift,tjw/swift,danielmartin/swift,practicalswift/swift,alblue/swift,devincoughlin/swift,return/swift,jmgc/swift,jopamer/swift,swiftix/swift,stephentyrone/swift,austinzheng/swift,devincoughlin/swift,roambotics/swift,amraboelela/swift,CodaFi/swift,tkremenek/swift,OscarSwanros/swift,amraboelela/swift,natecook1000/swift,xwu/swift,rudkx/swift,lorentey/swift,airspeedswift/swift,brentdax/swift,gribozavr/swift,austinzheng/swift,gregomni/swift,natecook1000/swift,tkremenek/swift,airspeedswift/swift,gribozavr/swift,milseman/swift,nathawes/swift,danielmartin/swift,ahoppen/swift,uasys/swift,frootloops/swift,karwa/swift,shahmishal/swift,sschiau/swift,shajrawi/swift,stephentyrone/swift,hooman/swift,hooman/swift,huonw/swift,glessard/swift,sschiau/swift,xedin/swift,return/swift,swiftix/swift,tjw/swift,sschiau/swift,devincoughlin/swift,parkera/swift,natecook1000/swift,harlanhaskins/swift,jopamer/swift,milseman/swift,tkremenek/swift,devincoughlin/swift,roambotics/swift,felix91gr/swift,gribozavr/swift,jopamer/swift,lorentey/swift,danielmartin/swift,hooman/swift,nathawes/swift,shajrawi/swift,amraboelela/swift,uasys/swift,benlangmuir/swift,aschwaighofer/swift,aschwaighofer/swift,karwa/swift,lorentey/swift,benlangmuir/swift,shahmishal/swift,CodaFi/swift,parkera/swift,apple/swift,tjw/swift,felix91gr/swift,alblue/swift,brentdax/swift,swiftix/swift