src/java.base/share/classes/java/lang/ScopedValue.java

*** 610,14 ***
  
      /**
       * Returns the value of this scoped value if bound in the current thread, otherwise
       * returns {@code other}.
       *
!      * @param other the value to return if not bound, can be {@code null}
       * @return the value of the scoped value if bound, otherwise {@code other}
       */
      public T orElse(T other) {
          Object obj = findBinding();
          if (obj != Snapshot.NIL) {
              @SuppressWarnings("unchecked")
              T value = (T) obj;
              return value;
--- 610,15 ---
  
      /**
       * Returns the value of this scoped value if bound in the current thread, otherwise
       * returns {@code other}.
       *
!      * @param other the value to return if not bound
       * @return the value of the scoped value if bound, otherwise {@code other}
       */
      public T orElse(T other) {
+         Objects.requireNonNull(other);
          Object obj = findBinding();
          if (obj != Snapshot.NIL) {
              @SuppressWarnings("unchecked")
              T value = (T) obj;
              return value;