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| author | Lars Knoll <lars.knoll@qt.io> | 2020-05-29 10:24:31 +0200 |
|---|---|---|
| committer | Lars Knoll <lars.knoll@qt.io> | 2020-05-29 23:21:51 +0200 |
| commit | f98fe1ba41002f936aa2fc3dac0f7b27fc290938 (patch) | |
| tree | 0d6734f1ed1be8cc0d308307b15e75e80fabc928 /src/widgets/doc/snippets/cmake-macros/examples.cmake | |
| parent | d4ff606941704ef2dd7520a0c81c982a5a0b0f73 (diff) | |
Fix UB in QGraphicsScene::wheelEvent()
operator--() would iterate before begin() if the
list was empty. This is UB, and will crash in Qt 6,
where begin()/end() can return an iterator pointing
to a nullptr if the list is empty.
Change-Id: I39c3a8ebb09fcad75d42019b02426ac5ac05eed9
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Diffstat (limited to 'src/widgets/doc/snippets/cmake-macros/examples.cmake')
0 files changed, 0 insertions, 0 deletions