Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1108.mcz
==================== Summary ====================
Name: Kernel-eem.1108 Author: eem Time: 23 June 2017, 11:35:28.572002 am UUID: dd3439ca-404b-4d0d-bb11-529ed86a96eb Ancestors: Kernel-nice.1107
Implement messagesDo: using ifAbsentAdd:
=============== Diff against Kernel-nice.1107 ===============
Item was changed: ----- Method: CompiledMethod>>messagesDo: (in category 'scanning') ----- messagesDo: aBlock "Evaluate aBlock exactly once with all the message selectors sent by me."
| scanner aSet | self isQuick ifTrue: [ ^self ]. - aSet := nil. scanner := InstructionStream on: self. scanner scanFor: [ :x | | selector | (selector := scanner selectorToSendOrSelf) == scanner ifFalse: [ + ((aSet ifNil: [ aSet := IdentitySet new ]) ifAbsentAdd: selector) ifTrue: [ - ((aSet ifNil: [ aSet := IdentitySet new ]) addNewElement: selector) ifTrue: [ aBlock value: selector ] ]. false "keep scanning" ]!
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