runtime: minor improvement of string scanning If we set obj, then it will be enqueued for marking at the end of the scanning loop. This is not necessary, since we've already marked it. This can wait for 1.4 if you wish.
runtime: minor improvement of string scanning
If we set obj, then it will be enqueued for marking at the end of the scanning loop.
This is not necessary, since we've already marked it.
This can wait for 1.4 if you wish.

LGTM=rsc
R=rsc
CC=golang-codereviews
https://codereview.appspot.com/80030043

apparentlymart/golang,apparentlymart/golang,apparentlymart/golang,apparentlymart/golang,apparentlymart/golang,apparentlymart/golang,apparentlymart/golang