core: fix temporary_buffer<> assigned to itself
core: fix temporary_buffer<> assigned to itself

chunshengster/seastar,wildinto/seastar,dreamsxin/seastar,acbellini/scylla,stamhe/seastar,flashbuckets/seastar,asias/scylla,acbellini/seastar,rentongzhang/scylla,anzihenry/seastar,scylladb/seastar,raphaelsc/seastar,cloudius-systems/seastar,stamhe/seastar,aruanruan/scylla,victorbriz/scylla,guiquanz/scylla,bowlofstew/scylla,raphaelsc/scylla,bowlofstew/scylla,dreamsxin/seastar,justintung/scylla,phonkee/scylla,tempbottle/seastar,gwicke/scylla,scylladb/seastar,stamhe/scylla,scylladb/scylla,chunshengster/seastar,cloudius-systems/seastar,xtao/seastar,shaunstanislaus/scylla,norcimo5/seastar,aruanruan/scylla,tempbottle/scylla,scylladb/scylla,hongliangzhao/seastar,scylladb/scylla-seastar,anzihenry/seastar,wildinto/scylla,tempbottle/scylla,guiquanz/scylla,bowlofstew/seastar,kangkot/scylla,linearregression/scylla,bzero/seastar,avikivity/seastar,rluta/scylla,sjperkins/seastar,sjperkins/seastar,gwicke/scylla,dwdm/scylla,kjniemi/seastar,ducthangho/imdb,wildinto/seastar,mixja/seastar,scylladb/scylla-seastar,glommer/scylla,scylladb/seastar,acbellini/seastar,rluta/scylla,victorbriz/scylla,phonkee/scylla,capturePointer/scylla,kjniemi/seastar,ducthangho/imdb,chunshengster/seastar,kjniemi/scylla,dwdm/seastar,xtao/seastar,asias/scylla,joerg84/seastar,shyamalschandra/seastar,tempbottle/seastar,kjniemi/scylla,dwdm/seastar,dwdm/scylla,eklitzke/scylla,slivne/seastar,xtao/seastar,eklitzke/scylla,slivne/seastar,gwicke/scylla,ducthangho/imdb,asias/scylla,respu/scylla,senseb/scylla,rluta/scylla,printedheart/seastar,bowlofstew/scylla,aruanruan/scylla,avikivity/scylla,duarten/scylla,acbellini/seastar,bowlofstew/seastar,capturePointer/scylla,syuu1228/seastar,respu/scylla,norcimo5/seastar,linearregression/scylla,shyamalschandra/seastar,phonkee/scylla,leejir/seastar,kangkot/scylla,shaunstanislaus/scylla,linearregression/seastar,rentongzhang/scylla,stamhe/scylla,raphaelsc/scylla,mixja/seastar,wildinto/seastar,joerg84/seastar,hongliangzhao/seastar,raphaelsc/scylla,syuu1228/seastar,flashbuckets/seastar,koolhazz/seastar,jonathanleang/seastar,raphaelsc/seastar,scylladb/scylla,wildinto/scylla,dwdm/seastar,guiquanz/scylla,anzihenry/seastar,linearregression/seastar,dwdm/scylla,tempbottle/scylla,senseb/scylla,printedheart/seastar,stamhe/seastar,koolhazz/seastar,leejir/seastar,leejir/seastar,joerg84/seastar,kjniemi/scylla,jonathanleang/seastar,avikivity/seastar,acbellini/scylla,avikivity/scylla,justintung/scylla,justintung/scylla,avikivity/seastar,sjperkins/seastar,victorbriz/scylla,mixja/seastar,bowlofstew/seastar,scylladb/scylla,cloudius-systems/seastar,wildinto/scylla,respu/scylla,stamhe/scylla,bzero/seastar,duarten/scylla,dreamsxin/seastar,senseb/scylla,shyamalschandra/seastar,kangkot/scylla,raphaelsc/seastar,shaunstanislaus/scylla,eklitzke/scylla,kjniemi/seastar,koolhazz/seastar,bzero/seastar,rentongzhang/scylla,avikivity/scylla,linearregression/seastar,syuu1228/seastar,flashbuckets/seastar,scylladb/scylla-seastar,norcimo5/seastar,capturePointer/scylla,tempbottle/seastar,slivne/seastar,hongliangzhao/seastar,duarten/scylla,linearregression/scylla,glommer/scylla,jonathanleang/seastar,glommer/scylla,acbellini/scylla,printedheart/seastar