reflect: add a test that gccgo mishandled
reflect: add a test that gccgo mishandled

Failure occurred when using reflect.Call to pass a func value
following a non-pointer value.

R=golang-dev, r
CC=golang-dev
https://codereview.appspot.com/14186043

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