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Bug
 - 
    Resolution: Cannot Reproduce
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P1: Critical
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    None
 - 
    5.15.2
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    None
 
check the following attached example.
the application will crash when QIMAGE invoke the following method
img.setAlphaChannel( img.createMaskFromColor( QColor( 192, 192, 192 ).rgb(),
                                                    Qt::MaskOutColor ) );
btw,built with qt6.3.1 is ok