Fabio Niephaus uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-fn.1248.mcz

==================== Summary ====================

Name: Kernel-fn.1248
Author: fn
Time: 24 July 2019, 9:22:31.501089 am
UUID: 47f4c2b8-f623-4973-bcb3-655d27fbc0dc
Ancestors: Kernel-ul.1247

Remove redundant methods for copying from SmallFloat64 and SmallInteger (following Chris' suggestion at http://forum.world.st/The-Trunk-Kernel-fn-1223-mcz-tp5098738p5098777.html).

=============== Diff against Kernel-ul.1247 ===============

Item was removed:
- ----- Method: SmallFloat64>>copy (in category 'copying') -----
- copy
- 	"Answer the receiver, because SmallFloat64s are unique."
- 	^self!

Item was removed:
- ----- Method: SmallFloat64>>postCopy (in category 'copying') -----
- postCopy
- 	"I will never be copied"
- 	^self shouldNotImplement!

Item was removed:
- ----- Method: SmallInteger>>copy (in category 'copying') -----
- copy
- 	"Answer the receiver, because SmallIntegers are unique."
- 	^self!

Item was removed:
- ----- Method: SmallInteger>>postCopy (in category 'copying') -----
- postCopy
- 	"I will never be copied"
- 	^self shouldNotImplement!