Tweak test warns

Author: som-snytt

tests/warn/i16639a.scala

@@ -91,7 +91,7 @@ trait Locals {
 }
 
 object Types {
-  private object Dongo { def f = this } // no more warn since #17061
+  private object Dongo { def f = this } // warn
   private class Bar1 // warn warn
   private class Bar2 // no warn
   private type Alias1 = String // warn warn
@@ -101,7 +101,7 @@ object Types {
   def f(x: Alias2) = x.length
 
   def l1() = {
-    object HiObject { def f = this } // no more warn since #17061
+    object HiObject { def f = this } // warn
     class Hi { // warn warn
       def f1: Hi = new Hi
       def f2(x: Hi) = x
@@ -202,4 +202,4 @@ trait `short comings` {
     val x = 42 // warn /Dotty only triggers in dotty
     17
   }
-}
+}

tests/warn/i17371.scala

@@ -17,7 +17,7 @@ def Test() =
 
 // unminimized OP
 trait Circular[T] extends Ordering[T]
-trait Turns[C: Circular, T] extends Ordering[T]:
+trait Turns[C: Circular, T] extends Ordering[T]: // warn Circular is not a marker interface
   extension (turns: T) def extract: C
 
 def f[K, T](start: T, end: T)(using circular: Circular[K], turns: Turns[K, T]): Boolean =