Andreas Raab uploaded a new version of KernelTests to project The Trunk:
http://source.squeak.org/trunk/KernelTests-bs.121.mcz

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

Name: KernelTests-bs.121
Author: bs
Time: 18 December 2009, 1:41:44 am
UUID: 0857aa54-d969-4b95-b55f-864c6a96309e
Ancestors: KernelTests-ar.120

added test case for method properties testing for updating existing keys. I could observe an endless loop, AdditionalMethodState calls CompiledMethod calls AdditionalMethodState ....

=============== Diff against KernelTests-ar.120 ===============

Item was added:
+ ----- Method: MethodPropertiesTest>>testAtPutRepeatedly (in category 'testing') -----
+ testAtPutRepeatedly
+ 	self assert: (method properties at: #zork put: 'hello') = 'hello'.
+ 	self assert: (method properties at: #zork put: 'hello') = 'hello'.
+ 	self assert: (method properties at: #zork) = 'hello'.!