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-rw-r--r--src/reflect/scala/reflect/internal/StdAttachments.scala4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/reflect/scala/reflect/internal/StdAttachments.scala b/src/reflect/scala/reflect/internal/StdAttachments.scala
index 09fd996f39..b331bf75f6 100644
--- a/src/reflect/scala/reflect/internal/StdAttachments.scala
+++ b/src/reflect/scala/reflect/internal/StdAttachments.scala
@@ -36,6 +36,10 @@ trait StdAttachments {
*/
case object ForAttachment extends PlainAttachment
+ /** Identifies unit constants which were inserted by the compiler.
+ */
+ case object SyntheticUnitAttachment extends PlainAttachment
+
/** Untyped list of subpatterns attached to selector dummy. */
case class SubpatternsAttachment(patterns: List[Tree])
}