jshell reports NoSuchFieldError with instanceof primitive type

jshell> Object o = 1L
o ==> 1

jshell> o instanceof Long
$2 ==> true

jshell> o instanceof long
| Exception java.lang.NoSuchFieldError: Class REPL.$JShell$13 does not have member field 'java.lang.Object o'
| at (#3:1)

jshell> long l = 1L
l ==> 1

jshell> l instanceof Long
$5 ==> true

jshell> l instanceof long
$6 ==> true