[nomaster] doesn't touch NonemptyAttachments

NonemptyAttachments in macro API used to be Attachments$NonemptyAttachments.
However it's private, so noone outside scala.reflect.macros can access it,
making it ineligible for the incompatibility criterion.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/reflect/scala/reflect/macros/Attachments.scala b/src/reflect/scala/reflect/macros/Attachments.scala
index eeb87fafcc..007df3b6e2 100644
--- a/src/reflect/scala/reflect/macros/Attachments.scala
+++ b/src/reflect/scala/reflect/macros/Attachments.scala
@@ -56,6 +56,8 @@ abstract class Attachments { self =>
 
 // SI-7018: This used to be an inner class of `Attachments`, but that led to a memory leak in the
 // IDE via $outer pointers.
+// Forward compatibility note: This class used to be Attachments$NonemptyAttachments.
+// However it's private, therefore it transcends the compatibility policy for 2.10.x.
 private final class NonemptyAttachments[P >: Null](override val pos: P, override val all: Set[Any]) extends Attachments {
   type Pos = P
   def withPos(newPos: Pos) = new NonemptyAttachments(newPos, all)