scala - Dynamic Trait NoSuchFieldError @2.9.0RC4 -

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is following bug or on purpose?

trait dyn {   val d1 = new dynamic {     def applydynamic(name: string)(args: any*) = "hi"   }   object d2 extends dynamic {     def applydynamic(name: string)(args: any*) = "hey"   } } trait t { self: dyn =>   def foo1 = d1.x   def foo2 = d2.x } object t extends t dyn object dyn extends dyn  t.d1.x // works dyn.d1.x  // works t.foo1 // doesn't work: java.lang.nosuchfielderror: reflpoly$cache1  t.d2.x // works dyn.d2.x  // works t.foo2 // works

that's instance of bug #4560


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