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Details

Type: Bug
Resolution: Done
Priority: P1: Critical
Fix Version/s: 5.15.2, 6.0
Affects Version/s: 5.15
Component/s: Core: Item Models
Labels:
- regression

Platform/s:

All
Commits:
b84852670da604d32fe7cf222f0a82c28fd29c53 (qt/qtbase/dev) fcbeebc5828228078c38329940fabb80f22e3909 (qt/qtbase/5.15)

Description

Hello,

the following code which works fine up to roughly 5.15.1, triggers an infinite loop somewhere in 5.15 HEAD

#include <QtCore>
#include <QtWidgets>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QFileSystemModel model;
    model.setNameFilters(QStringList{"*.foo"});
    model.setNameFilterDisables(false);
    model.setFilter(QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot);
    
    QSortFilterProxyModel pm;
    pm.setRecursiveFilteringEnabled(true);
    pm.setSourceModel(&model);
    pm.setFilterKeyColumn(0);

    QTreeView w;
    w.setModel(&pm);
    w.show();

    return a.exec();
}