No access protection for private static fields

Groovysh lets you set & read private member fields, as long as they're static:

groovy> class C

groovy> C.x = new Integer(10)
groovy> println C.x
groovy> go
10

Note that it doesn't let you access regular private fields:

groovy> class B

groovy> b = new B()
groovy> b.x = new Integer(10)
groovy> go
Caught: groovy.lang.IllegalPropertyAccessException: Can not access the
private field x in class B