1 files changed, 11 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/transform/ParamForwarding.scala b/src/dotty/tools/dotc/transform/ParamForwarding.scala
index 2e6a97bcf..9571c387b 100644
--- a/src/dotty/tools/dotc/transform/ParamForwarding.scala
+++ b/src/dotty/tools/dotc/transform/ParamForwarding.scala
@@ -80,4 +80,15 @@ class ParamForwarding(thisTransformer: DenotTransformer) {
 
     cpy.Template(impl)(body = fwd(impl.body)(ctx.withPhase(thisTransformer)))
   }
+
+  def adaptRef[T <: RefTree](tree: T)(implicit ctx: Context): T = tree.tpe match {
+    case tpe: TermRefWithSignature
+    if tpe.sig == Signature.NotAMethod && tpe.symbol.is(Method) =>
+      // It's a param forwarder; adapt the signature
+      tree.withType(
+        TermRef.withSig(tpe.prefix, tpe.name, tpe.prefix.memberInfo(tpe.symbol).signature))
+        .asInstanceOf[T]
+    case _ =>
+      tree
+  }
 }