git: openjdk/jfx: master: 8198402: ToggleButton.setToggleGroup causes memory leak when button is removed via ToggleGroup.getToggles()

[Kevin Rushforth]

Changeset: 3130fc80
Author:    Jesper Skov <jskov at zoftcorp.dk>
Committer: Kevin Rushforth <kcr at openjdk.org>
Date:      2020-04-30 17:02:28 +0000
URL:       https://git.openjdk.java.net/jfx/commit/3130fc80

8198402: ToggleButton.setToggleGroup causes memory leak when button is removed via ToggleGroup.getToggles()

Reviewed-by: kcr, arapte

! modules/javafx.controls/src/main/java/javafx/scene/control/ToggleGroup.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/ToggleButtonTest.java