A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-nice.856.mcz

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

Name: Kernel-nice.856
Author: nice
Time: 5 June 2014, 11:11:07.752 pm
UUID: 44668d33-00c2-4e36-b95b-69d83b0d7544
Ancestors: Kernel-cmm.855

Attempt to fix ExceptionTests>>#testHandlerFromAction.
When the handler does not handle an Exception, simply mark the handler context as inactive (self tempAt: 3 put: false).

=============== Diff against Kernel-cmm.855 ===============

Item was changed:
  ----- Method: ContextPart>>handleSignal: (in category 'private-exceptions') -----
  handleSignal: exception
  	"Sent to handler (on:do:) contexts only.  If my exception class (first arg) handles exception then execute my handle block (second arg), otherwise forward this message to the next handler context.  If none left, execute exception's defaultAction (see nil>>handleSignal:)."
  
  	| val |
+ 	((((self tempAt: 1) handles: exception) or: [self tempAt: 3 put: false])
+ 		 and: [self tempAt: 3]) ifFalse: [
- 	(((self tempAt: 1) handles: exception) and: [self tempAt: 3]) ifFalse: [
  		^ self nextHandlerContext handleSignal: exception].
  
  	exception privHandlerContext: self contextTag.
  	self tempAt: 3 put: false.  "disable self while executing handle block"
  	val := [(self tempAt: 2) cull: exception ]
  		ensure: [self tempAt: 3 put: true].
  	self return: val.  "return from self if not otherwise directed in handle block"
  !