#partest -Ybackend:GenBCode
t2106.scala:7: warning: A::foo()Ljava/lang/Object; is annotated @inline but could not be inlined:
The callee A::foo()Ljava/lang/Object; contains the instruction INVOKEVIRTUAL java/lang/Object.clone ()Ljava/lang/Object;
that would cause an IllegalAccessError when inlined into class Test$.
  def main(args: Array[String]): Unit = x.foo
                                          ^
#partest !-Ybackend:GenBCode
t2106.scala:7: warning: Could not inline required method foo because access level required by callee not matched by caller.
  def main(args: Array[String]): Unit = x.foo
                                          ^
t2106.scala:7: warning: At the end of the day, could not inline @inline-marked method foo
  def main(args: Array[String]): Unit = x.foo
                                          ^