https://ci.inria.fr/pharo/job/Pharo-3.0-Update-Step-2-Validation/label=win/4... 5 regressions found. CollectionsTests.Weak.WeakIdentityKeyDictionaryTest.testClearing CollectionsTests.Weak.WeakIdentityKeyDictionaryTest.testNoNils CollectionsTests.Weak.WeakKeyDictionaryTest.testClearing CollectionsTests.Weak.WeakKeyToCollectionDictionaryTest.testClearing CollectionsTests.Weak.WeakKeyToCollectionDictionaryTest.testNoNils