1 files changed, 6 insertions, 4 deletions
diff --git a/compiler/src/dotty/tools/dotc/transform/SuperAccessors.scala b/compiler/src/dotty/tools/dotc/transform/SuperAccessors.scala
index bae1b897e..583834fb3 100644
--- a/compiler/src/dotty/tools/dotc/transform/SuperAccessors.scala
+++ b/compiler/src/dotty/tools/dotc/transform/SuperAccessors.scala
@@ -11,6 +11,7 @@ import Types._, Contexts._, Constants._, Names._, NameOps._, Flags._, DenotTrans
 import SymDenotations._, Symbols._, StdNames._, Annotations._, Trees._, Scopes._, Denotations._
 import util.Positions._
 import Decorators._
+import NameKinds.{ProtectedAccessorName, ProtectedSetterName}
 import Symbols._, TypeUtils._
 
 /** This class performs the following functions:
@@ -168,7 +169,7 @@ class SuperAccessors(thisTransformer: DenotTransformer) {
       assert(clazz.exists, sym)
       ctx.debuglog("Decided for host class: " + clazz)
 
-      val accName = sym.name.protectedAccessorName
+      val accName = ProtectedAccessorName(sym.name)
 
       // if the result type depends on the this type of an enclosing class, the accessor
       // has to take an object of exactly this type, otherwise it's more general
@@ -206,7 +207,8 @@ class SuperAccessors(thisTransformer: DenotTransformer) {
     }
 
     def isProtectedAccessor(tree: Tree)(implicit ctx: Context): Boolean = tree match {
-      case Apply(TypeApply(Select(_, name), _), qual :: Nil) => name.isProtectedAccessorName
+      case Apply(TypeApply(Select(_, name), _), qual :: Nil) =>
+        name.is(ProtectedAccessorName) || name.is(ProtectedSetterName)
       case _ => false
     }
 
@@ -221,7 +223,7 @@ class SuperAccessors(thisTransformer: DenotTransformer) {
       assert(clazz.exists, sym)
       ctx.debuglog("Decided for host class: " + clazz)
 
-      val accName    = sym.name.protectedAccessorName
+      val accName = ProtectedAccessorName(sym.name)
 
       // if the result type depends on the this type of an enclosing class, the accessor
       // has to take an object of exactly this type, otherwise it's more general
@@ -265,7 +267,7 @@ class SuperAccessors(thisTransformer: DenotTransformer) {
       assert(clazz.exists, field)
       ctx.debuglog("Decided for host class: " + clazz)
 
-      val accName = field.name.protectedSetterName
+      val accName = ProtectedSetterName(field.name)
       val accType = MethodType(clazz.classInfo.selfType :: field.info :: Nil, defn.UnitType)
       val protectedAccessor = clazz.info.decl(accName).symbol orElse {
         val newAcc = ctx.newSymbol(