cmd/cgo: silence two gcc warnings for *.cgo2.c 1. "int e;" is unused, generating "unused variable" error. 2. a->e was typed void *[2], but was accessed with *(int *)(a->e), this generated "dereferencing type-punned pointer will break strict-aliasing rules" error.
cmd/cgo: silence two gcc warnings for *.cgo2.c
1. "int e;" is unused, generating "unused variable" error.
2. a->e was typed void *[2], but was accessed with *(int *)(a->e), this
generated "dereferencing type-punned pointer will break strict-aliasing rules" error.

R=golang-dev, rsc
CC=golang-dev
https://codereview.appspot.com/11009043

wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,wesolows/golang-old,wesolows/golang,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang,wesolows/golang,wesolows/golang,wesolows/golang-old,wesolows/golang,firebitsbr/golang-old,wesolows/golang-old,firebitsbr/golang-old