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-rw-r--r--src/compiler/scala/tools/nsc/ast/Trees.scala2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/Trees.scala b/src/compiler/scala/tools/nsc/ast/Trees.scala
index 7a7d4ac0b2..d33ea5bb5c 100644
--- a/src/compiler/scala/tools/nsc/ast/Trees.scala
+++ b/src/compiler/scala/tools/nsc/ast/Trees.scala
@@ -6,6 +6,7 @@
package scala.tools.nsc
package ast
+import scala.reflect.ClassTag
import scala.reflect.internal.Flags.BYNAMEPARAM
import scala.reflect.internal.Flags.DEFAULTPARAM
import scala.reflect.internal.Flags.IMPLICIT
@@ -102,6 +103,7 @@ trait Trees extends scala.reflect.internal.Trees { self: Global =>
def InjectDerivedValue(tree: Tree, arg: Tree): InjectDerivedValue
def TypeTreeWithDeferredRefCheck(tree: Tree): TypeTreeWithDeferredRefCheck
}
+ implicit val TreeCopierTag: ClassTag[TreeCopier] = ClassTag[TreeCopier](classOf[TreeCopier])
def newStrictTreeCopier: TreeCopier = new StrictTreeCopier
def newLazyTreeCopier: TreeCopier = new LazyTreeCopier