Use previous span for class type parameters

Author: nicolasstucki

compiler/src/dotty/tools/dotc/typer/Inliner.scala

@@ -446,6 +446,7 @@ class Inliner(call: tpd.Tree, rhsToInline: tpd.Tree)(implicit ctx: Context) {
         case tree: Ident =>
           def span =
             if (tree.name == nme.WILDCARD) tree.span // From type match
+            else if (tree.symbol.isTypeParam && tree.symbol.owner.isClass) tree.span // TODO is this the correct span?
             else paramSpan(tree.name)
           paramProxy.get(tree.tpe) match {
             case Some(t) if tree.isTerm && t.isSingleton =>