Fix ForwardingWriter init preconditions
Fix ForwardingWriter init preconditions
sreecha/grpc,podsvirov/grpc,y-zeng/grpc,carl-mastrangelo/grpc,kriswuollett/grpc,mehrdada/grpc,yugui/grpc,thinkerou/grpc,ejona86/grpc,baylabs/grpc,wangyikai/grpc,LuminateWireless/grpc,w4-sjcho/grpc,yugui/grpc,jtattermusch/grpc,fuchsia-mirror/third_party-grpc,thinkerou/grpc,kumaralokgithub/grpc,hstefan/grpc,carl-mastrangelo/grpc,jcanizales/grpc,deepaklukose/grpc,ctiller/grpc,ejona86/grpc,ctiller/grpc,dgquintas/grpc,cgvarela/grpc,PeterFaiman/ruby-grpc-minimal,yugui/grpc,stanley-cheung/grpc,soltanmm/grpc,jcanizales/grpc,carl-mastrangelo/grpc,ppietrasa/grpc,a-veitch/grpc,perumaalgoog/grpc,ipylypiv/grpc,zhimingxie/grpc,philcleveland/grpc,tamihiro/grpc,Crevil/grpc,muxi/grpc,greasypizza/grpc,pszemus/grpc,vsco/grpc,deepaklukose/grpc,y-zeng/grpc,MakMukhi/grpc,a-veitch/grpc,grpc/grpc,kumaralokgithub/grpc,doubi-workshop/grpc,dgquintas/grpc,dgquintas/grpc,Vizerai/grpc,tengyifei/grpc,LuminateWireless/grpc,ananthonline/grpc,larsonmpdx/grpc,7anner/grpc,ctiller/grpc,matt-kwong/grpc,carl-mastrangelo/grpc,carl-mastrangelo/grpc,wcevans/grpc,sreecha/grpc,yang-g/grpc,rjshade/grpc,soltanmm-google/grpc,murgatroid99/grpc,a11r/grpc,crast/grpc,thinkerou/grpc,Vizerai/grpc,soltanmm/grpc,greasypizza/grpc,a11r/grpc,MakMukhi/grpc,y-zeng/grpc,philcleveland/grpc,carl-mastrangelo/grpc,bjori/grpc,crast/grpc,Vizerai/grpc,VcamX/grpc,podsvirov/grpc,quizlet/grpc,maxwell-demon/grpc,infinit/grpc,yongni/grpc,bjori/grpc,pszemus/grpc,vsco/grpc,andrewpollock/grpc,tamihiro/grpc,greasypizza/grpc,infinit/grpc,philcleveland/grpc,vjpai/grpc,vjpai/grpc,soltanmm-google/grpc,simonkuang/grpc,kumaralokgithub/grpc,makdharma/grpc,y-zeng/grpc,bogdandrutu/grpc,sreecha/grpc,thunderboltsid/grpc,vjpai/grpc,ofrobots/grpc,doubi-workshop/grpc,ctiller/grpc,fuchsia-mirror/third_party-grpc,arkmaxim/grpc,fichter/grpc,doubi-workshop/grpc,bjori/grpc,hstefan/grpc,ipylypiv/grpc,fuchsia-mirror/third_party-grpc,rjshade/grpc,nicolasnoble/grpc,sreecha/grpc,matt-kwong/grpc,wangyikai/grpc,a11r/grpc,donnadionne/grpc,yugui/grpc,ncteisen/grpc,larsonmpdx/grpc,royalharsh/grpc,jcanizales/grpc,dklempner/grpc,wcevans/grpc,cgvarela/grpc,royalharsh/grpc,a11r/grpc,ofrobots/grpc,grpc/grpc,yinsu/grpc,kskalski/grpc,donnadionne/grpc,7anner/grpc,adelez/grpc,a-veitch/grpc,muxi/grpc,wcevans/grpc,msiedlarek/grpc,soltanmm/grpc,infinit/grpc,makdharma/grpc,w4-sjcho/grpc,chrisdunelm/grpc,murgatroid99/grpc,pmarks-net/grpc,adelez/grpc,chrisdunelm/grpc,vjpai/grpc,ipylypiv/grpc,LuminateWireless/grpc,gpndata/grpc,apolcyn/grpc,yugui/grpc,dgquintas/grpc,ananthonline/grpc,yinsu/grpc,kriswuollett/grpc,grpc/grpc,miselin/grpc,miselin/grpc,madongfly/grpc,ipylypiv/grpc,ipylypiv/grpc,VcamX/grpc,a11r/grpc,andrewpollock/grpc,stanley-cheung/grpc,soltanmm/grpc,carl-mastrangelo/grpc,daniel-j-born/grpc,yinsu/grpc,tengyifei/grpc,PeterFaiman/ruby-grpc-minimal,ncteisen/grpc,makdharma/grpc,baylabs/grpc,ctiller/grpc,grpc/grpc,a-veitch/grpc,bogdandrutu/grpc,ofrobots/grpc,goldenbull/grpc,ananthonline/grpc,infinit/grpc,arkmaxim/grpc,sreecha/grpc,7anner/grpc,baylabs/grpc,thinkerou/grpc,VcamX/grpc,kpayson64/grpc,maxwell-demon/grpc,PeterFaiman/ruby-grpc-minimal,stanley-cheung/grpc,wangyikai/grpc,baylabs/grpc,jboeuf/grpc,PeterFaiman/ruby-grpc-minimal,bogdandrutu/grpc,sreecha/grpc,yinsu/grpc,jtattermusch/grpc,adelez/grpc,andrewpollock/grpc,arkmaxim/grpc,arkmaxim/grpc,apolcyn/grpc,podsvirov/grpc,quizlet/grpc,thinkerou/grpc,doubi-workshop/grpc,JoeWoo/grpc,grani/grpc,jtattermusch/grpc,madongfly/grpc,dklempner/grpc,ncteisen/grpc,tempbottle/grpc,PeterFaiman/ruby-grpc-minimal,VcamX/grpc,jcanizales/grpc,thinkerou/grpc,thunderboltsid/grpc,tempbottle/grpc,maxwell-demon/grpc,kumaralokgithub/grpc,philcleveland/grpc,kskalski/grpc,w4-sjcho/grpc,cgvarela/grpc,donnadionne/grpc,cgvarela/grpc,yugui/grpc,philcleveland/grpc,firebase/grpc,adelez/grpc,goldenbull/grpc,perumaalgoog/grpc,baylabs/grpc,kskalski/grpc,geffzhang/grpc,jboeuf/grpc,bjori/grpc,ananthonline/grpc,chrisdunelm/grpc,LuminateWireless/grpc,JoeWoo/grpc,crast/grpc,madongfly/grpc,pmarks-net/grpc,fuchsia-mirror/third_party-grpc,perumaalgoog/grpc,ejona86/grpc,msmania/grpc,fuchsia-mirror/third_party-grpc,tengyifei/grpc,makdharma/grpc,msmania/grpc,sreecha/grpc,VcamX/grpc,tamihiro/grpc,donnadionne/grpc,w4-sjcho/grpc,muxi/grpc,donnadionne/grpc,kumaralokgithub/grpc,fuchsia-mirror/third_party-grpc,ncteisen/grpc,surround-io/grpc,yongni/grpc,carl-mastrangelo/grpc,stanley-cheung/grpc,ncteisen/grpc,yinsu/grpc,simonkuang/grpc,geffzhang/grpc,pszemus/grpc,soltanmm/grpc,malexzx/grpc,Vizerai/grpc,goldenbull/grpc,VcamX/grpc,ejona86/grpc,vsco/grpc,vsco/grpc,jcanizales/grpc,doubi-workshop/grpc,yongni/grpc,nicolasnoble/grpc,yang-g/grpc,ipylypiv/grpc,dklempner/grpc,ppietrasa/grpc,Vizerai/grpc,fichter/grpc,jtattermusch/grpc,arkmaxim/grpc,ncteisen/grpc,ipylypiv/grpc,doubi-workshop/grpc,grpc/grpc,a-veitch/grpc,LuminateWireless/grpc,quizlet/grpc,ofrobots/grpc,yongni/grpc,firebase/grpc,podsvirov/grpc,MakMukhi/grpc,ppietrasa/grpc,makdharma/grpc,kskalski/grpc,kriswuollett/grpc,leifurhauks/grpc,jboeuf/grpc,simonkuang/grpc,w4-sjcho/grpc,ofrobots/grpc,msiedlarek/grpc,vjpai/grpc,mehrdada/grpc,mehrdada/grpc,miselin/grpc,andrewpollock/grpc,Vizerai/grpc,grani/grpc,deepaklukose/grpc,kpayson64/grpc,jboeuf/grpc,apolcyn/grpc,bogdandrutu/grpc,maxwell-demon/grpc,7anner/grpc,madongfly/grpc,bogdandrutu/grpc,geffzhang/grpc,maxwell-demon/grpc,zhimingxie/grpc,leifurhauks/grpc,pmarks-net/grpc,apolcyn/grpc,greasypizza/grpc,quizlet/grpc,gpndata/grpc,goldenbull/grpc,ejona86/grpc,fichter/grpc,baylabs/grpc,thinkerou/grpc,a11r/grpc,pszemus/grpc,Vizerai/grpc,a-veitch/grpc,msiedlarek/grpc,JoeWoo/grpc,tempbottle/grpc,grani/grpc,grpc/grpc,PeterFaiman/ruby-grpc-minimal,miselin/grpc,msmania/grpc,madongfly/grpc,vjpai/grpc,msiedlarek/grpc,jtattermusch/grpc,y-zeng/grpc,greasypizza/grpc,zhimingxie/grpc,bjori/grpc,malexzx/grpc,kriswuollett/grpc,simonkuang/grpc,vjpai/grpc,deepaklukose/grpc,goldenbull/grpc,msmania/grpc,msmania/grpc,tempbottle/grpc,yongni/grpc,nicolasnoble/grpc,dklempner/grpc,kskalski/grpc,wcevans/grpc,stanley-cheung/grpc,pszemus/grpc,andrewpollock/grpc,rjshade/grpc,tamihiro/grpc,larsonmpdx/grpc,JoeWoo/grpc,tamihiro/grpc,malexzx/grpc,PeterFaiman/ruby-grpc-minimal,podsvirov/grpc,madongfly/grpc,ppietrasa/grpc,kriswuollett/grpc,thinkerou/grpc,ppietrasa/grpc,kriswuollett/grpc,dklempner/grpc,muxi/grpc,vsco/grpc,zhimingxie/grpc,PeterFaiman/ruby-grpc-minimal,andrewpollock/grpc,ejona86/grpc,geffzhang/grpc,Crevil/grpc,jboeuf/grpc,dgquintas/grpc,LuminateWireless/grpc,bjori/grpc,a11r/grpc,VcamX/grpc,kskalski/grpc,chrisdunelm/grpc,ananthonline/grpc,daniel-j-born/grpc,firebase/grpc,kpayson64/grpc,deepaklukose/grpc,stanley-cheung/grpc,gpndata/grpc,stanley-cheung/grpc,surround-io/grpc,firebase/grpc,ejona86/grpc,JoeWoo/grpc,grani/grpc,leifurhauks/grpc,wangyikai/grpc,carl-mastrangelo/grpc,soltanmm/grpc,chrisdunelm/grpc,crast/grpc,pmarks-net/grpc,ananthonline/grpc,fichter/grpc,miselin/grpc,fichter/grpc,jboeuf/grpc,geffzhang/grpc,makdharma/grpc,jboeuf/grpc,kpayson64/grpc,murgatroid99/grpc,soltanmm-google/grpc,grpc/grpc,ncteisen/grpc,makdharma/grpc,malexzx/grpc,hstefan/grpc,jboeuf/grpc,mehrdada/grpc,grani/grpc,ncteisen/grpc,mehrdada/grpc,donnadionne/grpc,stanley-cheung/grpc,grpc/grpc,thunderboltsid/grpc,rjshade/grpc,grani/grpc,ejona86/grpc,msmania/grpc,malexzx/grpc,perumaalgoog/grpc,hstefan/grpc,kumaralokgithub/grpc,yang-g/grpc,jtattermusch/grpc,jtattermusch/grpc,surround-io/grpc,greasypizza/grpc,larsonmpdx/grpc,adelez/grpc,Vizerai/grpc,firebase/grpc,tengyifei/grpc,nicolasnoble/grpc,larsonmpdx/grpc,yang-g/grpc,matt-kwong/grpc,donnadionne/grpc,simonkuang/grpc,podsvirov/grpc,hstefan/grpc,surround-io/grpc,carl-mastrangelo/grpc,LuminateWireless/grpc,thinkerou/grpc,ncteisen/grpc,yang-g/grpc,tengyifei/grpc,tamihiro/grpc,pmarks-net/grpc,sreecha/grpc,kskalski/grpc,a11r/grpc,PeterFaiman/ruby-grpc-minimal,MakMukhi/grpc,leifurhauks/grpc,gpndata/grpc,leifurhauks/grpc,grpc/grpc,andrewpollock/grpc,JoeWoo/grpc,adelez/grpc,donnadionne/grpc,podsvirov/grpc,ejona86/grpc,ofrobots/grpc,soltanmm/grpc,goldenbull/grpc,crast/grpc,perumaalgoog/grpc,yinsu/grpc,msiedlarek/grpc,leifurhauks/grpc,dgquintas/grpc,royalharsh/grpc,tempbottle/grpc,mehrdada/grpc,thunderboltsid/grpc,nicolasnoble/grpc,jcanizales/grpc,muxi/grpc,yinsu/grpc,ananthonline/grpc,simonkuang/grpc,donnadionne/grpc,kriswuollett/grpc,royalharsh/grpc,miselin/grpc,yinsu/grpc,ofrobots/grpc,tamihiro/grpc,soltanmm-google/grpc,murgatroid99/grpc,andrewpollock/grpc,tempbottle/grpc,nicolasnoble/grpc,ppietrasa/grpc,thunderboltsid/grpc,ejona86/grpc,vsco/grpc,pszemus/grpc,cgvarela/grpc,7anner/grpc,pmarks-net/grpc,maxwell-demon/grpc,wangyikai/grpc,quizlet/grpc,VcamX/grpc,quizlet/grpc,geffzhang/grpc,makdharma/grpc,firebase/grpc,mehrdada/grpc,infinit/grpc,ppietrasa/grpc,yongni/grpc,matt-kwong/grpc,ctiller/grpc,miselin/grpc,mehrdada/grpc,baylabs/grpc,jcanizales/grpc,doubi-workshop/grpc,infinit/grpc,Crevil/grpc,hstefan/grpc,a-veitch/grpc,philcleveland/grpc,soltanmm-google/grpc,ctiller/grpc,wangyikai/grpc,Crevil/grpc,deepaklukose/grpc,miselin/grpc,tamihiro/grpc,zhimingxie/grpc,Crevil/grpc,grani/grpc,cgvarela/grpc,leifurhauks/grpc,jtattermusch/grpc,ctiller/grpc,matt-kwong/grpc,perumaalgoog/grpc,chrisdunelm/grpc,msiedlarek/grpc,zhimingxie/grpc,a-veitch/grpc,simonkuang/grpc,kpayson64/grpc,w4-sjcho/grpc,mehrdada/grpc,thinkerou/grpc,gpndata/grpc,adelez/grpc,pszemus/grpc,muxi/grpc,chrisdunelm/grpc,soltanmm/grpc,jboeuf/grpc,pszemus/grpc,ncteisen/grpc,matt-kwong/grpc,matt-kwong/grpc,daniel-j-born/grpc,zhimingxie/grpc,ppietrasa/grpc,yang-g/grpc,fuchsia-mirror/third_party-grpc,royalharsh/grpc,larsonmpdx/grpc,goldenbull/grpc,apolcyn/grpc,simonkuang/grpc,malexzx/grpc,rjshade/grpc,thunderboltsid/grpc,tempbottle/grpc,makdharma/grpc,leifurhauks/grpc,wangyikai/grpc,kumaralokgithub/grpc,donnadionne/grpc,muxi/grpc,vsco/grpc,tamihiro/grpc,daniel-j-born/grpc,carl-mastrangelo/grpc,maxwell-demon/grpc,jtattermusch/grpc,LuminateWireless/grpc,surround-io/grpc,fuchsia-mirror/third_party-grpc,daniel-j-born/grpc,gpndata/grpc,yongni/grpc,grpc/grpc,MakMukhi/grpc,ctiller/grpc,MakMukhi/grpc,matt-kwong/grpc,JoeWoo/grpc,surround-io/grpc,philcleveland/grpc,deepaklukose/grpc,sreecha/grpc,tempbottle/grpc,Crevil/grpc,w4-sjcho/grpc,msmania/grpc,y-zeng/grpc,kpayson64/grpc,bogdandrutu/grpc,kskalski/grpc,wcevans/grpc,miselin/grpc,daniel-j-born/grpc,y-zeng/grpc,ppietrasa/grpc,murgatroid99/grpc,chrisdunelm/grpc,soltanmm-google/grpc,larsonmpdx/grpc,hstefan/grpc,firebase/grpc,podsvirov/grpc,bogdandrutu/grpc,chrisdunelm/grpc,dgquintas/grpc,jboeuf/grpc,msiedlarek/grpc,wangyikai/grpc,rjshade/grpc,royalharsh/grpc,7anner/grpc,jcanizales/grpc,adelez/grpc,ctiller/grpc,malexzx/grpc,kpayson64/grpc,MakMukhi/grpc,cgvarela/grpc,w4-sjcho/grpc,JoeWoo/grpc,arkmaxim/grpc,vsco/grpc,infinit/grpc,mehrdada/grpc,jtattermusch/grpc,7anner/grpc,Crevil/grpc,soltanmm-google/grpc,royalharsh/grpc,madongfly/grpc,fichter/grpc,chrisdunelm/grpc,nicolasnoble/grpc,vjpai/grpc,muxi/grpc,ncteisen/grpc,Vizerai/grpc,greasypizza/grpc,msmania/grpc,pmarks-net/grpc,murgatroid99/grpc,philcleveland/grpc,nicolasnoble/grpc,fichter/grpc,Crevil/grpc,apolcyn/grpc,dklempner/grpc,kriswuollett/grpc,cgvarela/grpc,bogdandrutu/grpc,msiedlarek/grpc,doubi-workshop/grpc,ctiller/grpc,yang-g/grpc,muxi/grpc,matt-kwong/grpc,murgatroid99/grpc,yugui/grpc,7anner/grpc,chrisdunelm/grpc,dgquintas/grpc,greasypizza/grpc,nicolasnoble/grpc,MakMukhi/grpc,yinsu/grpc,doubi-workshop/grpc,greasypizza/grpc,wcevans/grpc,w4-sjcho/grpc,ctiller/grpc,vjpai/grpc,firebase/grpc,Vizerai/grpc,sreecha/grpc,firebase/grpc,a-veitch/grpc,infinit/grpc,perumaalgoog/grpc,hstefan/grpc,fuchsia-mirror/third_party-grpc,rjshade/grpc,soltanmm-google/grpc,murgatroid99/grpc,nicolasnoble/grpc,kriswuollett/grpc,wcevans/grpc,yongni/grpc,soltanmm/grpc,ananthonline/grpc,muxi/grpc,ofrobots/grpc,crast/grpc,fuchsia-mirror/third_party-grpc,bogdandrutu/grpc,geffzhang/grpc,ncteisen/grpc,nicolasnoble/grpc,sreecha/grpc,daniel-j-born/grpc,gpndata/grpc,kpayson64/grpc,perumaalgoog/grpc,andrewpollock/grpc,stanley-cheung/grpc,adelez/grpc,yugui/grpc,perumaalgoog/grpc,pszemus/grpc,arkmaxim/grpc,pszemus/grpc,muxi/grpc,simonkuang/grpc,dgquintas/grpc,LuminateWireless/grpc,sreecha/grpc,pszemus/grpc,hstefan/grpc,7anner/grpc,y-zeng/grpc,a11r/grpc,soltanmm-google/grpc,malexzx/grpc,surround-io/grpc,pmarks-net/grpc,zhimingxie/grpc,PeterFaiman/ruby-grpc-minimal,ipylypiv/grpc,geffzhang/grpc,Crevil/grpc,grpc/grpc,zhimingxie/grpc,muxi/grpc,msmania/grpc,jtattermusch/grpc,daniel-j-born/grpc,firebase/grpc,arkmaxim/grpc,murgatroid99/grpc,kpayson64/grpc,fichter/grpc,royalharsh/grpc,madongfly/grpc,rjshade/grpc,madongfly/grpc,larsonmpdx/grpc,dklempner/grpc,y-zeng/grpc,thinkerou/grpc,apolcyn/grpc,dklempner/grpc,crast/grpc,vsco/grpc,yongni/grpc,donnadionne/grpc,grpc/grpc,apolcyn/grpc,donnadionne/grpc,goldenbull/grpc,malexzx/grpc,tengyifei/grpc,podsvirov/grpc,surround-io/grpc,VcamX/grpc,dgquintas/grpc,carl-mastrangelo/grpc,vjpai/grpc,pmarks-net/grpc,tengyifei/grpc,philcleveland/grpc,deepaklukose/grpc,gpndata/grpc,dklempner/grpc,ejona86/grpc,quizlet/grpc,thunderboltsid/grpc,crast/grpc,jboeuf/grpc,maxwell-demon/grpc,jcanizales/grpc,thunderboltsid/grpc,royalharsh/grpc,stanley-cheung/grpc,jboeuf/grpc,baylabs/grpc,grani/grpc,firebase/grpc,kpayson64/grpc,larsonmpdx/grpc,kumaralokgithub/grpc,JoeWoo/grpc,dgquintas/grpc,Vizerai/grpc,thinkerou/grpc,bjori/grpc,apolcyn/grpc,tengyifei/grpc,wangyikai/grpc,MakMukhi/grpc,arkmaxim/grpc,jtattermusch/grpc,infinit/grpc,nicolasnoble/grpc,ananthonline/grpc,wcevans/grpc,mehrdada/grpc,wcevans/grpc,murgatroid99/grpc,rjshade/grpc,thunderboltsid/grpc,geffzhang/grpc,firebase/grpc,yugui/grpc,quizlet/grpc,ipylypiv/grpc,baylabs/grpc,pszemus/grpc,yang-g/grpc,kpayson64/grpc,grani/grpc,vjpai/grpc,daniel-j-born/grpc,yang-g/grpc,leifurhauks/grpc,kskalski/grpc,mehrdada/grpc,tengyifei/grpc,stanley-cheung/grpc,kumaralokgithub/grpc,vjpai/grpc,quizlet/grpc,ejona86/grpc,msiedlarek/grpc,goldenbull/grpc,deepaklukose/grpc,bjori/grpc,stanley-cheung/grpc,maxwell-demon/grpc,bjori/grpc,ofrobots/grpc