Fix test comment

Author: odersky

tests/run/iterator-from.scala

@@ -64,10 +64,7 @@ object Test extends dotty.runtime.LegacyApp {
     testSet(mutable.TreeSet(keys:_*), keys)
     val days = keys map {n => Weekday(n % Weekday.values.size)}
 
-    // The following does not work with the implicit change that propagates nested ambiguous errors to the top.
-    // We get ambiguous implicits because Predef.$conforms and convertIfView both fit WeekDay.Value => Ordered[WeekDay.Value].
-    // It does not work in scalac either; there we get a divergent implicit.
-    testSet(Weekday.ValueSet(days:_*), days)
+    testSet(Weekday.ValueSet(days:_*), days) // Note: produces divergent search in scalac
 
     val treeMap = immutable.TreeMap(keyValues:_*)
     testMap(treeMap, keyValues)