Macros_Test_2.scala:5: error: macro implementation reference has wrong shape. required:
macro [<static object>].<method name>[[<type args>]] or
macro [<macro bundle>].<method name>[[<type args>]]
  def foo(x: Any) = macro impls.foo
                                ^
Macros_Test_2.scala:10: error: macro implementation reference has wrong shape. required:
macro [<static object>].<method name>[[<type args>]] or
macro [<macro bundle>].<method name>[[<type args>]]
  def foo(x: Any) = macro impls.foo
                                ^
Macros_Test_2.scala:18: error: macro implementation reference has wrong shape. required:
macro [<static object>].<method name>[[<type args>]] or
macro [<macro bundle>].<method name>[[<type args>]]
  def foo(x: Any) = macro Impls3.foo
                                 ^
Macros_Test_2.scala:22: error: macro implementation reference has wrong shape. required:
macro [<static object>].<method name>[[<type args>]] or
macro [<macro bundle>].<method name>[[<type args>]]
  def foo(x: Any) = macro Impls4.foo
                                 ^
Macros_Test_2.scala:26: error: ambiguous reference to overloaded definition,
both method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing
and  method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any])Nothing
match expected type ?
  def foo(x: Any) = macro Impls5.foo
                                 ^
Macros_Test_2.scala:27: error: ambiguous reference to overloaded definition,
both method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any], y: c.Expr[Any])Nothing
and  method foo in object Impls5 of type (c: scala.reflect.macros.blackbox.Context)(x: c.Expr[Any])Nothing
match expected type ?
  def foo(x: Any, y: Any) = macro Impls5.foo
                                         ^
Macros_Test_2.scala:31: error: macro implementation has incompatible shape:
 required: (c: scala.reflect.macros.blackbox.Context): c.Expr[Unit]
 or      : (c: scala.reflect.macros.blackbox.Context): c.Tree
 found   : (c: scala.reflect.macros.blackbox.Context)(): c.Expr[Unit]
number of parameter sections differ
  def foo1 = macro Impls6.fooEmpty
                          ^
Macros_Test_2.scala:32: error: macro implementation has incompatible shape:
 required: (c: scala.reflect.macros.blackbox.Context)(): c.Expr[Unit]
 or      : (c: scala.reflect.macros.blackbox.Context)(): c.Tree
 found   : (c: scala.reflect.macros.blackbox.Context): c.Expr[Unit]
number of parameter sections differ
  def bar1() = macro Impls6.fooNullary
                            ^
Macros_Test_2.scala:36: error: type arguments [String] do not conform to method foo's type parameter bounds [U <: Int]
  def foo = macro Impls7.foo[String]
                            ^
Macros_Test_2.scala:53: error: macro implementation must be public
    def foo = macro Impls8.impl
                           ^
10 errors found