hg: openjfx/11-dev/rt: 8256283: IndexOutOfBoundsException when sorting a TreeTableView

[johan at lodgon.com]

Changeset: b198494b7a33
Author:    arapte
Date:      2021-01-29 17:12 +0000
URL:       https://hg.openjdk.java.net/openjfx/11-dev/rt/rev/b198494b7a33

8256283: IndexOutOfBoundsException when sorting a TreeTableView
Reviewed-by: kcr

! modules/javafx.controls/src/main/java/javafx/scene/control/TreeTableView.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/TreeTableViewTest.java