i think that, madara himself will stop hashi from suicide... madara just say those things just to see how sincere hashi to unite with uchiha... he didn't mean to make hashi suicide... beside.. don't you forget that hashi is more superior from tsunade in terms of healing.. this is of the essential key why madara lost to hashi.. hashi can regenerate n heal himself from wounds.. so what makes a stab in a chest would killed him.. madara knows that tooo..
so there was no time for any edo becoz no one is dying....