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David Redondo authored
Summary: QSortFilterProxyModel uses std::stable_sort internally which requires that the comparison function generates a strict weak ordering. Returning true or false randomly didn't fullfil this requirement causing a crash in some calls to invalidate. To keep the random order consistent a vector of row indices is used which records the current random order. BUG: 413018 FIXED-IN: 5.17.1 Test Plan: To reproduce the bug use a slideshow in random order with few pictures and a small time intervall. Reviewers: #plasma, broulik Reviewed By: #plasma, broulik Subscribers: davidedmundson, broulik, plasma-devel Tags: #plasma Differential Revision: https://phabricator.kde.org/D24723
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