Add comment describing why LazyValControlState extends Serializable

szymon-rd · Kordyjan · commit 81c6d6ebeb4f · 2023-04-13T16:00:54.000+02:00
diff --git a/library/src/scala/runtime/LazyVals.scala b/library/src/scala/runtime/LazyVals.scala
@@ -45,6 +45,7 @@ object LazyVals {
 
   /* ------------- Start of public API ------------- */
 
+  // This trait extends Serializable to fix #16806 that caused a race condition
   sealed trait LazyValControlState extends Serializable
 
   /**
