cmd/compile: compiles incorrect program (2)

``` go
package A
var f=func() {
    {
        f:=2
        _=f
        f=9
    }
```

```
$ go tool compile -oldparser /tmp/test.go
/tmp/test.go:9: syntax error: unexpected EOF
$ go tool compile /tmp/test.go
```

go version devel +25a28da Sun Nov 15 23:41:28 2015 +0000 linux/amd64
