Add capture checking to rest of scala.runtime (except TupledFunctions)

Author: natsukagami

library/src/scala/runtime/TupleMirror.scala

@@ -1,5 +1,7 @@
 package scala.runtime
 
+import language.experimental.captureChecking
+
 /** A concrete subclass of `scala.deriving.Mirror.Product`, enabling reduction of bytecode size.
  *  as we do not need to synthesize an anonymous Mirror class at every callsite.
  */

library/src/scala/runtime/TupleXXL.scala

@@ -1,5 +1,7 @@
 package scala.runtime
 
+import language.experimental.captureChecking
+
 final class TupleXXL private (es: IArray[Object]) extends Product {
   assert(es.length > 22)
 

library/src/scala/runtime/TupledFunctions.scala

@@ -1,5 +1,7 @@
 package scala.runtime
 
+import language.experimental.captureChecking
+
 import scala.util.TupledFunction
 import scala.annotation.experimental
 

library/src/scala/runtime/Tuples.scala

@@ -1,5 +1,7 @@
 package scala.runtime
 
+import language.experimental.captureChecking
+
 object Tuples {
 
   inline val MaxSpecialized = 22

library/src/scala/runtime/TypeBox.scala

@@ -1,5 +1,7 @@
 package scala.runtime
 
+import language.experimental.captureChecking
+
 /** A type for skolems that are generated during capture conversion. Capture conversion
  *  narrows the type of a tree whose type has wildcard arguments. A typical situation
  *  is a tree `t` of type `C[_ >: L <: U]` and an expected type `C[X]` where `X` is an

library/src/scala/runtime/coverage/Invoker.scala

@@ -1,5 +1,7 @@
 package scala.runtime.coverage
 
+import language.experimental.captureChecking
+
 import scala.annotation.internal.sharable
 import scala.annotation.nowarn
 import scala.collection.concurrent.TrieMap