Corrected arrow in tests

Author: milessabin

tests/neg/bad-selftype.scala

@@ -2,5 +2,5 @@ trait x0[T] { self: x0 => }           // error
 
 trait x1[T] { self: (=> String) => }  // error
 
-trait x2[T] { self: ([X] => X) => }   // error
+trait x2[T] { self: ([X] =>> X) => }   // error
 

tests/neg/i4373.scala

@@ -17,7 +17,7 @@ object Test {
   type T1 = _ // error
   type T2 = _[Int] // error
   type T3 = _ { type S } // error
-  type T4 = [X] => _ // error
+  type T4 = [X] =>> _ // error
 
   // Open questions:
   type T5 = TypeConstr[_ { type S }] // error

tests/neg/i6385a.scala

@@ -7,5 +7,5 @@ object Test {
   def f[F[_]](x: Box[F]) = ???
   def db: Box[D] = ???
   def cb: Box[C] = db  // error
-  f[[X] => C[X]](db)   // error
-}
+  f[[X] =>> C[X]](db)   // error
+}