Remove optional span argument from helper method

Author: travisbrown

compiler/src/dotty/tools/dotc/parsing/Parsers.scala

@@ -1420,11 +1420,8 @@ object Parsers {
       }
     }
 
-    private def makeKindProjectorTypeDef(name: TypeName, span: Option[Span]): TypeDef = {
-      val typeDef = TypeDef(name, TypeBoundsTree(EmptyTree, EmptyTree)).withFlags(Param)
-
-      span.fold(typeDef)(typeDef.withSpan)
-    }
+    private def makeKindProjectorTypeDef(name: TypeName): TypeDef =
+      TypeDef(name, TypeBoundsTree(EmptyTree, EmptyTree)).withFlags(Param)
 
     /** Replaces kind-projector's `*` in a list of types arguments with synthetic names,
      *  returning the new argument list and the synthetic type definitions.
@@ -1435,7 +1432,7 @@ object Parsers {
       val newParams = params.mapConserve {
         case param @ Ident(tpnme.raw.STAR) =>
           val name = WildcardParamName.fresh().toTypeName
-          tparams += makeKindProjectorTypeDef(name, None)
+          tparams += makeKindProjectorTypeDef(name)
           Ident(name)
         case other => other
       }
@@ -1596,7 +1593,7 @@ object Parsers {
               args match {
                 case List(Function(params, body)) =>
                   val typeDefs = params.collect {
-                    case param @ Ident(name) => makeKindProjectorTypeDef(name.toTypeName, Some(param.span))
+                    case param @ Ident(name) => makeKindProjectorTypeDef(name.toTypeName).withSpan(param.span)
                   }
                   if (typeDefs.length != params.length) fail()
                   else LambdaTypeTree(typeDefs, body)