««« CL 14920052 / 98840b3349f4
cmd/cgo: use __typeof__, -w instead of typeof, -Wno-all

Suggested by iant in earlier CL.

R=golang-dev, bradfitz, iant
CC=golang-dev
https://golang.org/cl/14920052
»»»

R=golang-dev
CC=golang-dev
https://golang.org/cl/20600043