1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/src/dotty/tools/dotc/transform/SymUtils.scala b/compiler/src/dotty/tools/dotc/transform/SymUtils.scala
index 105f54d3a..f6ff539fe 100644
--- a/compiler/src/dotty/tools/dotc/transform/SymUtils.scala
+++ b/compiler/src/dotty/tools/dotc/transform/SymUtils.scala
@@ -10,6 +10,7 @@ import Decorators._
 import Names._
 import StdNames._
 import NameOps._
+import NameExtractors._
 import Flags._
 import Annotations._
 
@@ -51,6 +52,9 @@ class SymUtils(val self: Symbol) extends AnyVal {
   def isAnyOverride(implicit ctx: Context) = self.is(Override) || self.is(AbsOverride)
     // careful: AbsOverride is a term only flag. combining with Override would catch only terms.
 
+  def isAliasPreferred(implicit ctx: Context) =
+    self.is(AliasPreferred) || self.name.is(ExpandedName)
+
   /** If this is a constructor, its owner: otherwise this. */
   final def skipConstructor(implicit ctx: Context): Symbol =
     if (self.isConstructor) self.owner else self