joyent/node — comment on commit 60aea96f84c850615bac7a6e00ef28fab5ae18ae
File: lib/http.js line 611
By bnoordhuis:

@koichik: Okay, that makes sense. Does that mean it could be skipped for `http.Server` response objects? Those always have a socket assigned. (I'm trying to cut out dead code, suggestions appreciated.)