app crash when using combobox model，QT5.12
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It is sounds a weird issue!!
my qt application used combobox widget, and combobox contains model parameters. If I start application with mouse, the application run ok, but if I start application with touchscreen, the application will crash!!! Through debug, find the crash associated with combobox model, if I not use combobox model, the appliaction will start normally, and run ok。
What causes this problem？ is it qt5.12 bug?