macro-bundle-priority-bundle.scala:13: error: bundle implementation has incompatible shape:
 required: : Macros.this.c.Expr[Unit]
 or      : : Macros.this.c.Tree
 found   : (x: Macros.this.c.Tree): Nothing
number of parameter sections differ
  def foo: Unit = macro Macros.impl
                               ^
one error found