Add all symbol levels

Author: nicolasstucki

compiler/src/dotty/tools/dotc/transform/TreeMapWithStages.scala

@@ -46,12 +46,11 @@ abstract class TreeMapWithStages(@constructorOnly ictx: Context) extends TreeMap
   /** Localy defined symbols seen so far by `StagingTransformer.transform` */
   protected def localSymbols: List[Symbol] = enteredSyms
 
-  /** Enter staging level of symbol defined by `tree`, if applicable. */
+  /** Enter staging level of symbol defined by `tree` */
   private def markSymbol(sym: Symbol)(implicit ctx: Context): Unit =
-    if ((sym.isClass || sym.maybeOwner.isTerm) && !levelOfMap.contains(sym)) {
+    if (!levelOfMap.contains(sym))
       levelOfMap(sym) = level
       enteredSyms = sym :: enteredSyms
-  }
 
   /** Enter staging level of symbol defined by `tree`, if applicable. */
   private def markDef(tree: Tree)(implicit ctx: Context): Unit = tree match {

tests/pos/quote-type-with-param.scala

@@ -0,0 +1,4 @@
+import scala.quoted._
+
+def f(using QuoteContext): Unit =
+  '{ type T[X] = List[X] }