erts: Fix hashmap overestimation
erts: Fix hashmap overestimation

Old overestimation assumed an average of k/3 nodes.
This can be bad for large maps (with tight standard deviations)
as the average vary between 0.3*k and up to almost 0.4*k.

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