Fixes issues with 'discard' in async macro.
Fixes issues with 'discard' in async macro.

russpowers/Nim,BlaXpirit/nim,douglas-larocca/Nim,Dhertz/Nim,nanoant/Nim,mbaulch/Nim,Senketsu/Nim,judofyr/Nim,BlaXpirit/nim,zachaysan/Nim,sarvex/Nim-lang,tulayang/Nim,zachaysan/Nim,Dhertz/Nim,jfhg/Nim,MrJohz/Nim,sferik/Nim,haiodo/Nim,endragor/Nim,singularperturbation/Nim,xland/Nim,douglas-larocca/Nim,sarvex/Nim-lang,zachaysan/Nim,greyanubis/Nim,tulayang/Nim,sferik/Nim,fredericksilva/Nim,douglas-larocca/Nim,fredericksilva/Nim,JCavallo/Nim,bvssvni/Nim,nimLuckyBull/Nim,greyanubis/Nim,endragor/Nim,JCavallo/Nim,msmith491/Nim,dom96/Nim,mbaulch/Nim,bvssvni/Nim,fredericksilva/Nim,reactormonk/nim,gokr/Nim,jsanjuas/Nim,kirbyfan64/Nim,JCavallo/Nim,Senketsu/Nim,reactormonk/nim,JCavallo/Nim,Dhertz/Nim,reactormonk/nim,russpowers/Nim,gokr/Nim,xland/Nim,Salafit/Nim,mbaulch/Nim,JCavallo/Nim,MrJohz/Nim,gokr/Nim,jsanjuas/Nim,endragor/Nim,nafsaka/Nim,Senketsu/Nim,greyanubis/Nim,haiodo/Nim,sferik/Nim,msmith491/Nim,nanoant/Nim,fmamud/Nim,judofyr/Nim,nanoant/Nim,xland/Nim,endragor/Nim,BlaXpirit/nim,douglas-larocca/Nim,gokr/Nim,greyanubis/Nim,MrJohz/Nim,bvssvni/Nim,nimLuckyBull/Nim,Salafit/Nim,russpowers/Nim,dom96/Nim,tmm1/Nim,zachaysan/Nim,nafsaka/Nim,gokr/Nim,Salafit/Nim,Salafit/Nim,kirbyfan64/Nim,sarvex/Nim-lang,nanoant/Nim,Salafit/Nim,nanoant/Nim,xland/Nim,singularperturbation/Nim,fmamud/Nim,judofyr/Nim,reactormonk/nim,SSPkrolik/Nim,jfhg/Nim,Matt14916/Nim,fredericksilva/Nim,greyanubis/Nim,SSPkrolik/Nim,kirbyfan64/Nim,SSPkrolik/Nim,mbaulch/Nim,haiodo/Nim,haiodo/Nim,singularperturbation/Nim,tmm1/Nim,nanoant/Nim,douglas-larocca/Nim,nafsaka/Nim,nimLuckyBull/Nim,dom96/Nim,nimLuckyBull/Nim,MrJohz/Nim,fmamud/Nim,Dhertz/Nim,msmith491/Nim,tmm1/Nim,nafsaka/Nim,SSPkrolik/Nim,judofyr/Nim,BlaXpirit/nim,fredericksilva/Nim,Dhertz/Nim,kirbyfan64/Nim,sferik/Nim,gokr/Nim,Matt14916/Nim,nafsaka/Nim,Senketsu/Nim,bvssvni/Nim,singularperturbation/Nim,endragor/Nim,singularperturbation/Nim,jfhg/Nim,mbaulch/Nim,jsanjuas/Nim,BlaXpirit/nim,reactormonk/nim,zachaysan/Nim,JCavallo/Nim,nimLuckyBull/Nim,msmith491/Nim,jfhg/Nim,reactormonk/nim,tulayang/Nim,sarvex/Nim-lang,nafsaka/Nim,xland/Nim,bvssvni/Nim,MrJohz/Nim,fredericksilva/Nim,Dhertz/Nim,tulayang/Nim,judofyr/Nim,Matt14916/Nim,jsanjuas/Nim,zachaysan/Nim,tmm1/Nim,mbaulch/Nim,sferik/Nim,SSPkrolik/Nim,kirbyfan64/Nim,sferik/Nim,Senketsu/Nim,haiodo/Nim,fredericksilva/Nim,russpowers/Nim,russpowers/Nim,bvssvni/Nim,jsanjuas/Nim,SSPkrolik/Nim,BlaXpirit/nim,MrJohz/Nim,xland/Nim,Salafit/Nim,haiodo/Nim,endragor/Nim,jfhg/Nim,haiodo/Nim,jsanjuas/Nim,reactormonk/nim,BlaXpirit/nim,xland/Nim,bvssvni/Nim,sferik/Nim,dom96/Nim,kirbyfan64/Nim,Matt14916/Nim,tmm1/Nim,tmm1/Nim,jsanjuas/Nim,Senketsu/Nim,Matt14916/Nim,fmamud/Nim,greyanubis/Nim,jfhg/Nim,judofyr/Nim,fredericksilva/Nim,msmith491/Nim,kirbyfan64/Nim,gokr/Nim,nimLuckyBull/Nim,BlaXpirit/nim,singularperturbation/Nim,singularperturbation/Nim,judofyr/Nim,reactormonk/nim,Salafit/Nim,sferik/Nim,dom96/Nim,nanoant/Nim,endragor/Nim,douglas-larocca/Nim,russpowers/Nim,tulayang/Nim,dom96/Nim,gokr/Nim,zachaysan/Nim,msmith491/Nim,fmamud/Nim,jfhg/Nim,nimLuckyBull/Nim,SSPkrolik/Nim,greyanubis/Nim,fmamud/Nim,JCavallo/Nim,sarvex/Nim-lang,russpowers/Nim,douglas-larocca/Nim,kirbyfan64/Nim,Matt14916/Nim,Senketsu/Nim,MrJohz/Nim,SSPkrolik/Nim,sarvex/Nim-lang,tulayang/Nim,dom96/Nim,mbaulch/Nim,douglas-larocca/Nim,Matt14916/Nim,msmith491/Nim,judofyr/Nim,tmm1/Nim,nafsaka/Nim,sarvex/Nim-lang,fmamud/Nim,Dhertz/Nim