InlineHolder_2.scala:9: warning: p1/InlineHolder$::inlinable()I is annotated @inline but could not be inlined:
The callee p1/InlineHolder$::inlinable()I contains the instruction INVOKESTATIC p1/PackageProtectedJava_1.protectedMethod ()I
that would cause an IllegalAccessError when inlined into class O$.
  def x = p1.InlineHolder.inlinable
                          ^
2