Moving casting outside the Option

Author: noti0na1

compiler/src/dotty/tools/dotc/transform/localopt/FormatChecker.scala

@@ -126,7 +126,7 @@ class TypedFormatChecker(partsElems: List[Tree], parts: List[String], args: List
     def at(g: SpecGroup): Int = descriptor.start(g.ordinal)
     def end(g: SpecGroup): Int = descriptor.end(g.ordinal)
     def offset(g: SpecGroup, i: Int = 0): Int = at(g) + i
-    def group(g: SpecGroup): Option[String] = Option(descriptor.group(g.ordinal).asInstanceOf[String])
+    def group(g: SpecGroup): Option[String] = Option(descriptor.group(g.ordinal)).asInstanceOf[Option[String]]
     def stringOf(g: SpecGroup): String = group(g).getOrElse("")
     def intOf(g: SpecGroup): Option[Int] = group(g).map(_.toInt)
 

library/src/scala/concurrent/impl/Promise.scala

@@ -274,7 +274,7 @@ private[concurrent] object Promise {
 
     override final def isCompleted: Boolean = value0 ne null
 
-    override final def value: Option[Try[T]] = Option(value0.asInstanceOf[Try[T]])
+    override final def value: Option[Try[T]] = Option(value0).asInstanceOf[Option[Try[T]]]
 
     @tailrec // returns null if not completed
     private final def value0: Try[T] | Null = {