The obvious fix is breaking the build in non-obvious ways.
Reverting while waiting for the correct fix, if any is needed.

««« original CL description
net/http: fix bug in error checking

Thanks to josef86@gmail.com for pointing this out.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/5477092
»»»

R=iant
CC=golang-dev
https://golang.org/cl/5488085