Chris Muller uploaded a new version of Kernel to project Squeak 4.5:
http://source.squeak.org/squeak45/Kernel-cmm.835.mcz

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

Name: Kernel-cmm.835
Author: cmm
Time: 28 January 2014, 11:13:17.23 am
UUID: 9b210942-2bae-4a82-9fde-ff77af5dec9a
Ancestors: Kernel-topa.834

- Why is FileStream class>>#stderr primitive failing when asked for its #size?

=============== Diff against Kernel-topa.834 ===============

Item was changed:
  ----- Method: Error>>printVerboseOn: (in category 'printing') -----
  printVerboseOn: aStream 
  	aStream
+ "		 setToEnd ;"
- 		 setToEnd ;
  		 nextPutAll: 'vvvvvvvvvvvvvvvvvv ' , self description , ' vvvvvvvvvvvvvvvvvv' ;
  		 cr ;
  		 nextPutAll: 'The time is ', DateAndTime now asString ;
  		 cr.
  	"Allow applications to optionally print extra details without overriding a base package."
  	(self respondsTo: #printDetailsOn:) ifTrue: [ self printDetailsOn: aStream ].
  	aStream
  		 nextPutAll: self signalerContext longStack ;
  		 cr ;
  		 nextPutAll: '^^^^^^^^^^^^^^^^^^ ' , self description , ' ^^^^^^^^^^^^^^^^^^' ;
  		 cr!