Mark `boxed::into_raw` as safe
Mark `boxed::into_raw` as safe

By the same logic that `mem::forget` is safe, `boxed::into_raw` is actually a safe function. Fixes #25755.
graydon/rust,KokaKiwi/rust,nwin/rust,aneeshusa/rust,pshc/rust,graydon/rust,gifnksm/rust,dwillmer/rust,dwillmer/rust,jashank/rust,andars/rust,seanrivera/rust,pshc/rust,XMPPwocky/rust,mihneadb/rust,KokaKiwi/rust,dwillmer/rust,mihneadb/rust,omasanori/rust,vhbit/rust,l0kod/rust,andars/rust,aneeshusa/rust,ejjeong/rust,seanrivera/rust,vhbit/rust,omasanori/rust,robertg/rust,XMPPwocky/rust,GBGamer/rust,graydon/rust,pelmers/rust,zachwick/rust,krzysz00/rust,jroesch/rust,mvdnes/rust,TheNeikos/rust,aepsil0n/rust,pelmers/rust,kwantam/rust,GBGamer/rust,mvdnes/rust,aidancully/rust,vhbit/rust,andars/rust,philyoon/rust,mihneadb/rust,kwantam/rust,zachwick/rust,omasanori/rust,aepsil0n/rust,philyoon/rust,pelmers/rust,TheNeikos/rust,ejjeong/rust,vhbit/rust,nwin/rust,reem/rust,vhbit/rust,mvdnes/rust,nwin/rust,zubron/rust,aneeshusa/rust,robertg/rust,pshc/rust,sae-bom/rust,pshc/rust,pelmers/rust,ejjeong/rust,krzysz00/rust,GBGamer/rust,zubron/rust,jashank/rust,zachwick/rust,dwillmer/rust,seanrivera/rust,aneeshusa/rust,pshc/rust,reem/rust,jroesch/rust,XMPPwocky/rust,gifnksm/rust,mihneadb/rust,jashank/rust,zubron/rust,KokaKiwi/rust,l0kod/rust,zubron/rust,jashank/rust,kwantam/rust,krzysz00/rust,philyoon/rust,sae-bom/rust,dwillmer/rust,sae-bom/rust,zubron/rust,GBGamer/rust,XMPPwocky/rust,kwantam/rust,XMPPwocky/rust,aidancully/rust,vhbit/rust,seanrivera/rust,pshc/rust,zubron/rust,gifnksm/rust,jroesch/rust,sae-bom/rust,graydon/rust,nwin/rust,philyoon/rust,vhbit/rust,zachwick/rust,philyoon/rust,sae-bom/rust,dwillmer/rust,TheNeikos/rust,aneeshusa/rust,krzysz00/rust,mihneadb/rust,mvdnes/rust,kwantam/rust,graydon/rust,reem/rust,kwantam/rust,nwin/rust,pshc/rust,robertg/rust,zachwick/rust,jashank/rust,l0kod/rust,andars/rust,jashank/rust,GBGamer/rust,vhbit/rust,l0kod/rust,zubron/rust,reem/rust,zubron/rust,ejjeong/rust,krzysz00/rust,jroesch/rust,pelmers/rust,aepsil0n/rust,reem/rust,l0kod/rust,seanrivera/rust,KokaKiwi/rust,pelmers/rust,aepsil0n/rust,robertg/rust,zachwick/rust,aidancully/rust,aidancully/rust,dwillmer/rust,omasanori/rust,pshc/rust,KokaKiwi/rust,krzysz00/rust,GBGamer/rust,omasanori/rust,l0kod/rust,gifnksm/rust,dwillmer/rust,nwin/rust,TheNeikos/rust,jashank/rust,seanrivera/rust,TheNeikos/rust,graydon/rust,gifnksm/rust,l0kod/rust,l0kod/rust,jroesch/rust,nwin/rust,robertg/rust,jroesch/rust,gifnksm/rust,sae-bom/rust,mihneadb/rust,nwin/rust,aepsil0n/rust,jroesch/rust,philyoon/rust,XMPPwocky/rust,mvdnes/rust,robertg/rust,KokaKiwi/rust,TheNeikos/rust,ejjeong/rust,aneeshusa/rust,omasanori/rust,reem/rust,mvdnes/rust,GBGamer/rust,andars/rust,ejjeong/rust,jroesch/rust,andars/rust,aidancully/rust,GBGamer/rust,aidancully/rust,aepsil0n/rust,jashank/rust