Remove unnecessary gen-0 allocations from the RecordReplaceOldWithNew fast path
Remove unnecessary gen-0 allocations from the RecordReplaceOldWithNew fast path

kelltrick/roslyn,swaroop-sridhar/roslyn,aelij/roslyn,tvand7093/roslyn,tmat/roslyn,OmarTawfik/roslyn,lorcanmooney/roslyn,gafter/roslyn,heejaechang/roslyn,tannergooding/roslyn,AmadeusW/roslyn,MattWindsor91/roslyn,KevinRansom/roslyn,mmitche/roslyn,cston/roslyn,mattscheffer/roslyn,tmeschter/roslyn,DustinCampbell/roslyn,xasx/roslyn,tmat/roslyn,MattWindsor91/roslyn,pdelvo/roslyn,srivatsn/roslyn,reaction1989/roslyn,kelltrick/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,mmitche/roslyn,CaptainHayashi/roslyn,brettfo/roslyn,weltkante/roslyn,nguerrera/roslyn,abock/roslyn,AmadeusW/roslyn,jcouv/roslyn,Hosch250/roslyn,mgoertz-msft/roslyn,xasx/roslyn,robinsedlaczek/roslyn,davkean/roslyn,shyamnamboodiripad/roslyn,wvdd007/roslyn,heejaechang/roslyn,gafter/roslyn,eriawan/roslyn,wvdd007/roslyn,Giftednewt/roslyn,tannergooding/roslyn,jamesqo/roslyn,srivatsn/roslyn,panopticoncentral/roslyn,DustinCampbell/roslyn,paulvanbrenk/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,VSadov/roslyn,agocke/roslyn,tmeschter/roslyn,genlu/roslyn,khyperia/roslyn,diryboy/roslyn,orthoxerox/roslyn,AlekseyTs/roslyn,abock/roslyn,ErikSchierboom/roslyn,dpoeschl/roslyn,AnthonyDGreen/roslyn,physhi/roslyn,weltkante/roslyn,KevinRansom/roslyn,physhi/roslyn,jasonmalinowski/roslyn,cston/roslyn,TyOverby/roslyn,lorcanmooney/roslyn,AnthonyDGreen/roslyn,khyperia/roslyn,mgoertz-msft/roslyn,AlekseyTs/roslyn,jasonmalinowski/roslyn,abock/roslyn,genlu/roslyn,TyOverby/roslyn,MattWindsor91/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,AnthonyDGreen/roslyn,robinsedlaczek/roslyn,MattWindsor91/roslyn,KirillOsenkov/roslyn,sharwell/roslyn,orthoxerox/roslyn,genlu/roslyn,sharwell/roslyn,nguerrera/roslyn,CaptainHayashi/roslyn,VSadov/roslyn,physhi/roslyn,stephentoub/roslyn,davkean/roslyn,CyrusNajmabadi/roslyn,tmat/roslyn,VSadov/roslyn,AmadeusW/roslyn,shyamnamboodiripad/roslyn,tmeschter/roslyn,aelij/roslyn,mattscheffer/roslyn,KirillOsenkov/roslyn,dotnet/roslyn,panopticoncentral/roslyn,dpoeschl/roslyn,jmarolf/roslyn,jmarolf/roslyn,stephentoub/roslyn,diryboy/roslyn,dotnet/roslyn,khyperia/roslyn,bkoelman/roslyn,nguerrera/roslyn,aelij/roslyn,CyrusNajmabadi/roslyn,jasonmalinowski/roslyn,TyOverby/roslyn,CaptainHayashi/roslyn,agocke/roslyn,jamesqo/roslyn,tannergooding/roslyn,jmarolf/roslyn,MichalStrehovsky/roslyn,DustinCampbell/roslyn,bkoelman/roslyn,shyamnamboodiripad/roslyn,CyrusNajmabadi/roslyn,reaction1989/roslyn,Giftednewt/roslyn,jcouv/roslyn,KirillOsenkov/roslyn,brettfo/roslyn,jkotas/roslyn,dpoeschl/roslyn,diryboy/roslyn,KevinRansom/roslyn,mgoertz-msft/roslyn,AlekseyTs/roslyn,kelltrick/roslyn,paulvanbrenk/roslyn,bartdesmet/roslyn,pdelvo/roslyn,dotnet/roslyn,orthoxerox/roslyn,heejaechang/roslyn,bartdesmet/roslyn,cston/roslyn,tvand7093/roslyn,MichalStrehovsky/roslyn,jkotas/roslyn,jkotas/roslyn,srivatsn/roslyn,ErikSchierboom/roslyn,OmarTawfik/roslyn,jamesqo/roslyn,stephentoub/roslyn,Giftednewt/roslyn,mmitche/roslyn,agocke/roslyn,mavasani/roslyn,jcouv/roslyn,panopticoncentral/roslyn,weltkante/roslyn,tvand7093/roslyn,sharwell/roslyn,mattscheffer/roslyn,eriawan/roslyn,bkoelman/roslyn,mavasani/roslyn,OmarTawfik/roslyn,wvdd007/roslyn,Hosch250/roslyn,gafter/roslyn,MichalStrehovsky/roslyn,lorcanmooney/roslyn,paulvanbrenk/roslyn,bartdesmet/roslyn,swaroop-sridhar/roslyn,pdelvo/roslyn,ErikSchierboom/roslyn,mavasani/roslyn,Hosch250/roslyn,davkean/roslyn,reaction1989/roslyn,xasx/roslyn,robinsedlaczek/roslyn,brettfo/roslyn,eriawan/roslyn,swaroop-sridhar/roslyn