Eliot Miranda uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-eem.472.mcz

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

Name: System-eem.472
Author: eem
Time: 20 March 2012, 11:04:56.857 am
UUID: 565bbe60-904f-4288-a5c5-90843e33c961
Ancestors: System-eem.471

voidCogVMState primitive.

=============== Diff against System-eem.471 ===============

Item was added:
+ ----- Method: SmalltalkImage>>voidCogVMState (in category 'miscellaneous') -----
+ voidCogVMState
+ 	"Void any internal caches the VM maintains other than the method lookup caches.
+ 	 These comprise
+ 		- the stack zone, where method activations are stored, and
+ 		- the machine code zone, where the machine code form of CompiledMethods is held."
+ 	<primitive: 214>
+ 	^self primitiveFailed
+ 
+ 	"Time millisecondsToRun: [Smalltalk voidCogVMState]"
+ 	"(1 to: 10) collect: [:ign| Time millisecondsToRun: [Smalltalk voidCogVMState]]"!