erts: Add ERTS_UNDEF macro
erts: Add ERTS_UNDEF macro

bsmr-erlang/otp,GinjaNinja32/otp,jemsbhai/otp,goertzenator/otp,lemenkov/otp,massemanet/otp,mikpe/otp,fenollp/otp,emacsmirror/erlang,uabboli/otp,beni55/otp,bjorng/otp,klarna/otp,tuncer/otp,sdebnath/otp,neeraj9/otp,neeraj9/otp,mujiatong/otp,getong/otp,massemanet/otp,beni55/otp,lightcyphers/otp,benoitc/otp-1,NOMORECOFFEE/otp,saleyn/otp,ferd/otp,RGafiyatullin/otp,g-andrade/otp,VincentHHL/otp,c-rack/otp,bugs-erlang-org/otp,paladim/otp,Teino1978-Corp/otp,RoadRunnr/otp,isvilen/otp,GinjaNinja32/otp,schlagert/otp,emacsmirror/erlang,jj1bdx/otp,c-rack/otp,basho/otp,aboroska/otp,klarna/otp,potatosalad/otp,lucafavatella/otp,fenollp/otp,saleyn/otp,emile/otp,tuncer/otp,vinoski/otp,jemsbhai/otp,Teino1978-Corp/otp,lrascao/otp,ferd/otp,cobusc/otp,sitexa/otp,tuncer/otp,johanclaesson/otp,dgud/otp,isvilen/otp,krishnakumar4a4/otp,hairyhum/otp,platinumthinker/otp,gjaldon/otp,klarna/otp,c-rack/otp,lhslll/otp,release-project/otp,vic/otp,erlang/otp,Teino1978-Corp/erlang-otp,riverrun/otp,fenollp/otp,stolen/otp,bernardd/otp,sdebnath/otp,isvilen/otp,erlang/otp,dumbbell/otp,emile/otp,NOMORECOFFEE/otp,kvakvs/otp,g-andrade/otp,lianghaivv/otp,cobusc/otp,VincentHHL/otp,dumbbell/otp,ferd/otp,kvakvs/otp,enikki/otp,yangchengjian/otp,RichMorin/otp,neeraj9/otp,dgud/otp,lrascao/otp,legoscia/otp,tuncer/otp,rlipscombe/otp,bugs-erlang-org/otp,vladdu/otp,krishnakumar4a4/otp,lrascao/otp,RJ/otp,jemsbhai/otp,isvilen/otp,jj1bdx/otp,paladim/otp,NOMORECOFFEE/otp,RichMorin/otp,release-project/otp,falkevik/otp,kvakvs/otp,ader1990/otp,derek121/otp,massemanet/otp,entropiae/otp,vladdu/otp,RichMorin/otp,gjaldon/otp,weisslj/otp,paulcager/otp,tuncer/otp,matwey/otp,theom/otp,rlipscombe/otp,fenollp/otp,emacsmirror/erlang,rlipscombe/otp,massemanet/otp,RichMorin/otp,cnbin/otp,entropiae/otp,palas/otp,Teino1978-Corp/otp,dumbbell/otp,ahmedshafeeq/otp,basho/otp,erlang/otp,derek121/otp,basho/otp,lrascao/otp,release-project/otp,RGafiyatullin/otp,lantti/otp,hairyhum/otp,yangchengjian/otp,erlang/otp,goertzenator/otp,vic/otp,neeraj9/otp,RJ/otp,RoadRunnr/otp,jemsbhai/otp,lantti/otp,rlipscombe/otp,dgud/otp,aboroska/otp,enikki/otp,basho/otp,marquisthunder/otp,lemenkov/otp,jinshana/otp,GinjaNinja32/otp,jamesruan/otp,gjaldon/otp,electricimp/otp,cnbin/otp,Teino1978-Corp/otp,vinoski/otp,psyeugenic/otp,RoadRunnr/otp,johanclaesson/otp,weisslj/otp,johanclaesson/otp,VincentHHL/otp,msantos/otp,msantos/otp,emacsmirror/erlang,NOMORECOFFEE/otp,RJ/otp,lucafavatella/otp,ferd/otp,lrascao/otp,mikpe/otp,g-andrade/otp,ahmedshafeeq/otp,palas/otp,saleyn/otp,goertzenator/otp,RGafiyatullin/otp,lianghaivv/otp,jamesruan/otp,lhslll/otp,paulcager/otp,lucafavatella/otp,jj1bdx/otp,bjorng/otp,getong/otp,bjorng/otp,paulcager/otp,palas/otp,NOMORECOFFEE/otp,lhslll/otp,vladdu/otp,lantti/otp,ader1990/otp,krishnakumar4a4/otp,platinumthinker/otp,bugs-erlang-org/otp,lightcyphers/otp,riverrun/otp,VincentHHL/otp,haguenau/otp,RaimoNiskanen/otp,haguenau/otp,dumbbell/otp,jinshana/otp,matwey/otp,benoitc/otp-1,psyeugenic/otp,bjorng/otp,yangchengjian/otp,aboroska/otp,gjaldon/otp,jj1bdx/otp,ader1990/otp,emacsmirror/erlang,cnbin/otp,RJ/otp,klarna/otp,Teino1978-Corp/erlang-otp,enikki/otp,massemanet/otp,bsmr-erlang/otp,aboroska/otp,jj1bdx/otp,ader1990/otp,RichMorin/otp,beni55/otp,vic/otp,schlagert/otp,emile/otp,kvakvs/otp,uabboli/otp,RichMorin/otp,dgud/otp,bugs-erlang-org/otp,ahmedshafeeq/otp,mikpe/otp,fenollp/otp,lantti/otp,uabboli/otp,yangchengjian/otp,legoscia/otp,falkevik/otp,vinoski/otp,schlagert/otp,saleyn/otp,schlagert/otp,saleyn/otp,weisslj/otp,GinjaNinja32/otp,emile/otp,derek121/otp,beni55/otp,sitexa/otp,benoitc/otp-1,lucafavatella/otp,msantos/otp,getong/otp,lucafavatella/otp,bernardd/otp,emacsmirror/erlang,vladdu/otp,palas/otp,paulcager/otp,riverrun/otp,jj1bdx/otp,massemanet/otp,tuncer/otp,jamesruan/otp,bugs-erlang-org/otp,jinshana/otp,sdebnath/otp,fenollp/otp,getong/otp,enikki/otp,uabboli/otp,g-andrade/otp,psyeugenic/otp,legoscia/otp,awetzel/otp,erlang/otp,ader1990/otp,neeraj9/otp,psyeugenic/otp,potatosalad/otp,lightcyphers/otp,g-andrade/otp,krishnakumar4a4/otp,bernardd/otp,ahmedshafeeq/otp,g-andrade/otp,lemenkov/otp,lantti/otp,bjorng/otp,dgud/otp,psyeugenic/otp,paladim/otp,psyeugenic/otp,lrascao/otp,msantos/otp,theom/otp,lucafavatella/otp,sitexa/otp,tuncer/otp,goertzenator/otp,beni55/otp,rlipscombe/otp,sdebnath/otp,legoscia/otp,jamesruan/otp,Teino1978-Corp/erlang-otp,emile/otp,Teino1978-Corp/erlang-otp,bugs-erlang-org/otp,emacsmirror/erlang,aboroska/otp,RaimoNiskanen/otp,mikpe/otp,mikpe/otp,theom/otp,ahmedshafeeq/otp,tuncer/otp,sdebnath/otp,release-project/otp,sdebnath/otp,RGafiyatullin/otp,kvakvs/otp,bsmr-erlang/otp,jinshana/otp,psyeugenic/otp,derek121/otp,jinshana/otp,jj1bdx/otp,cnbin/otp,g-andrade/otp,vladdu/otp,release-project/otp,bugs-erlang-org/otp,enikki/otp,stolen/otp,klarna/otp,emile/otp,cnbin/otp,vic/otp,theom/otp,krishnakumar4a4/otp,benoitc/otp-1,fenollp/otp,krishnakumar4a4/otp,kvakvs/otp,VincentHHL/otp,ader1990/otp,lightcyphers/otp,riverrun/otp,krishnakumar4a4/otp,jinshana/otp,jamesruan/otp,erlang/otp,getong/otp,yangchengjian/otp,goertzenator/otp,electricimp/otp,Teino1978-Corp/erlang-otp,gjaldon/otp,uabboli/otp,bjorng/otp,klarna/otp,erlang/otp,jj1bdx/otp,sitexa/otp,NOMORECOFFEE/otp,lianghaivv/otp,RoadRunnr/otp,RaimoNiskanen/otp,dumbbell/otp,GinjaNinja32/otp,vinoski/otp,basho/otp,VincentHHL/otp,matwey/otp,awetzel/otp,emile/otp,mikpe/otp,erlang/otp,RGafiyatullin/otp,awetzel/otp,theom/otp,paladim/otp,mikpe/otp,c-rack/otp,falkevik/otp,beni55/otp,RoadRunnr/otp,awetzel/otp,vladdu/otp,riverrun/otp,Teino1978-Corp/erlang-otp,emacsmirror/erlang,weisslj/otp,GinjaNinja32/otp,sitexa/otp,vinoski/otp,rlipscombe/otp,uabboli/otp,RGafiyatullin/otp,lucafavatella/otp,haguenau/otp,vinoski/otp,NOMORECOFFEE/otp,getong/otp,bjorng/otp,emile/otp,cnbin/otp,isvilen/otp,mujiatong/otp,bsmr-erlang/otp,riverrun/otp,rlipscombe/otp,RGafiyatullin/otp,bsmr-erlang/otp,theom/otp,haguenau/otp,lhslll/otp,dgud/otp,paladim/otp,haguenau/otp,sammoth-wazoku/otp,jj1bdx/otp,kvakvs/otp,NOMORECOFFEE/otp,vic/otp,bernardd/otp,dgud/otp,entropiae/otp,lightcyphers/otp,matwey/otp,platinumthinker/otp,basho/otp,mikpe/otp,palas/otp,aboroska/otp,lemenkov/otp,ferd/otp,vinoski/otp,potatosalad/otp,paulcager/otp,johanclaesson/otp,marquisthunder/otp,cobusc/otp,lrascao/otp,release-project/otp,lightcyphers/otp,lucafavatella/otp,vladdu/otp,legoscia/otp,release-project/otp,matwey/otp,lianghaivv/otp,goertzenator/otp,dumbbell/otp,bjorng/otp,RoadRunnr/otp,lianghaivv/otp,sitexa/otp,RaimoNiskanen/otp,msantos/otp,yangchengjian/otp,schlagert/otp,getong/otp,entropiae/otp,theom/otp,potatosalad/otp,mujiatong/otp,bsmr-erlang/otp,riverrun/otp,beni55/otp,jamesruan/otp,rlipscombe/otp,bernardd/otp,marquisthunder/otp,theom/otp,mujiatong/otp,bernardd/otp,hairyhum/otp,lianghaivv/otp,platinumthinker/otp,lantti/otp,release-project/otp,mikpe/otp,stolen/otp,RoadRunnr/otp,saleyn/otp,johanclaesson/otp,bernardd/otp,bjorng/otp,weisslj/otp,ferd/otp,krishnakumar4a4/otp,getong/otp,RaimoNiskanen/otp,electricimp/otp,stolen/otp,lianghaivv/otp,johanclaesson/otp,jj1bdx/otp,sammoth-wazoku/otp,saleyn/otp,mujiatong/otp,lantti/otp,bernardd/otp,cobusc/otp,schlagert/otp,lhslll/otp,beni55/otp,RoadRunnr/otp,goertzenator/otp,vinoski/otp,matwey/otp,paladim/otp,bernardd/otp,massemanet/otp,msantos/otp,g-andrade/otp,derek121/otp,lianghaivv/otp,lightcyphers/otp,dumbbell/otp,electricimp/otp,weisslj/otp,RaimoNiskanen/otp,johanclaesson/otp,RGafiyatullin/otp,lemenkov/otp,gjaldon/otp,Teino1978-Corp/erlang-otp,fenollp/otp,hairyhum/otp,neeraj9/otp,johanclaesson/otp,psyeugenic/otp,marquisthunder/otp,uabboli/otp,stolen/otp,entropiae/otp,falkevik/otp,emile/otp,lemenkov/otp,RJ/otp,ahmedshafeeq/otp,Teino1978-Corp/otp,palas/otp,falkevik/otp,jamesruan/otp,basho/otp,dumbbell/otp,legoscia/otp,hairyhum/otp,derek121/otp,riverrun/otp,falkevik/otp,electricimp/otp,cobusc/otp,palas/otp,erlang/otp,mujiatong/otp,lantti/otp,benoitc/otp-1,RoadRunnr/otp,schlagert/otp,bsmr-erlang/otp,VincentHHL/otp,msantos/otp,release-project/otp,getong/otp,benoitc/otp-1,dgud/otp,awetzel/otp,lightcyphers/otp,emacsmirror/erlang,lhslll/otp,g-andrade/otp,uabboli/otp,mikpe/otp,ader1990/otp,bjorng/otp,potatosalad/otp,falkevik/otp,sdebnath/otp,gjaldon/otp,jemsbhai/otp,isvilen/otp,saleyn/otp,lhslll/otp,isvilen/otp,vic/otp,benoitc/otp-1,paulcager/otp,klarna/otp,ahmedshafeeq/otp,weisslj/otp,neeraj9/otp,aboroska/otp,matwey/otp,GinjaNinja32/otp,sammoth-wazoku/otp,jemsbhai/otp,awetzel/otp,weisslj/otp,RaimoNiskanen/otp,sammoth-wazoku/otp,lemenkov/otp,VincentHHL/otp,potatosalad/otp,paulcager/otp,Teino1978-Corp/otp,jemsbhai/otp,lrascao/otp,hairyhum/otp,cobusc/otp,haguenau/otp,basho/otp,bsmr-erlang/otp,RichMorin/otp,mujiatong/otp,Teino1978-Corp/otp,sitexa/otp,paladim/otp,jinshana/otp,awetzel/otp,hairyhum/otp,dgud/otp,sammoth-wazoku/otp,palas/otp,mujiatong/otp,electricimp/otp,falkevik/otp,gjaldon/otp,stolen/otp,lhslll/otp,haguenau/otp,potatosalad/otp,Teino1978-Corp/erlang-otp,ferd/otp,isvilen/otp,dumbbell/otp,vladdu/otp,weisslj/otp,c-rack/otp,haguenau/otp,RaimoNiskanen/otp,cnbin/otp,Teino1978-Corp/otp,electricimp/otp,marquisthunder/otp,kvakvs/otp,vic/otp,kvakvs/otp,falkevik/otp,sitexa/otp,legoscia/otp,RichMorin/otp,cobusc/otp,RJ/otp,derek121/otp,marquisthunder/otp,vinoski/otp,vic/otp,sammoth-wazoku/otp,jamesruan/otp,platinumthinker/otp,platinumthinker/otp,neeraj9/otp,jinshana/otp,legoscia/otp,RJ/otp,sammoth-wazoku/otp,sammoth-wazoku/otp,RaimoNiskanen/otp,potatosalad/otp,dumbbell/otp,benoitc/otp-1,saleyn/otp,c-rack/otp,massemanet/otp,stolen/otp,ader1990/otp,tuncer/otp,msantos/otp,goertzenator/otp,stolen/otp,uabboli/otp,electricimp/otp,emacsmirror/erlang,bsmr-erlang/otp,entropiae/otp,getong/otp,electricimp/otp,fenollp/otp,yangchengjian/otp,platinumthinker/otp,RJ/otp,GinjaNinja32/otp,potatosalad/otp,potatosalad/otp,ahmedshafeeq/otp,legoscia/otp,cnbin/otp,paulcager/otp,aboroska/otp,yangchengjian/otp,c-rack/otp,awetzel/otp,bugs-erlang-org/otp,goertzenator/otp,lemenkov/otp,basho/otp,ferd/otp,sdebnath/otp,cobusc/otp,ferd/otp,lrascao/otp,vinoski/otp,enikki/otp,isvilen/otp,vladdu/otp,derek121/otp,erlang/otp,enikki/otp,isvilen/otp,ahmedshafeeq/otp,hairyhum/otp,g-andrade/otp,paladim/otp,c-rack/otp,marquisthunder/otp,marquisthunder/otp,massemanet/otp,rlipscombe/otp,matwey/otp,entropiae/otp,schlagert/otp,rlipscombe/otp,klarna/otp,aboroska/otp,matwey/otp,jemsbhai/otp,entropiae/otp,platinumthinker/otp,dgud/otp,enikki/otp