Marcel Taeumel uploaded a new version of FFI-Kernel to project FFI:
http://source.squeak.org/FFI/FFI-Kernel-mt.211.mcz

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

Name: FFI-Kernel-mt.211
Author: mt
Time: 18 August 2021, 10:23:48.749508 am
UUID: ddaad2aa-6b86-a344-8a2f-0f06f5ab6489
Ancestors: FFI-Kernel-mt.210

Fixes another migration issue.

Keep #atomicTypeName as quick-return; migrate older instances in #basicInitializeAtomicTypes instead.

=============== Diff against FFI-Kernel-mt.210 ===============

Item was changed:
  ----- Method: ExternalType class>>basicInitializeAtomicTypes (in category 'class initialization') -----
  basicInitializeAtomicTypes
  
  	"Strong references required because there is no lazy initialization like there is for struct types and array types."
  	AtomicTypes ifNil: [AtomicTypes := Dictionary new].
  	
  	"Add new atomic types using the current configuration of AtomicTypeCodes."
  	AtomicTypeCodes keysDo: [:typeName |
  		(AtomicTypes includesKey: typeName) ifFalse: [
  			self newTypeForAtomicNamed: typeName]].
  	
  	"Remove discarded types."
  	AtomicTypes keys do: [:typeName |
  		(AtomicTypeCodes includesKey: typeName) ifFalse: [
+ 			AtomicTypes removeKey: typeName]].
+ 	
+ 	"Migrate older instances."
+ 	AtomicTypes keysAndValuesDo: [:typeName :type |
+ 		type setAtomicTypeName: typeName]!
- 			AtomicTypes removeKey: typeName]].!