Some changes required to make C++ code generator plugin work fine for external code compiled under gcc-4.4 : eliminate use of nullptr, primarily.
Some changes required to make C++ code generator plugin work fine for
external code compiled under gcc-4.4 : eliminate use of nullptr, primarily.

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