[Interest] invalidated copies of QString in QCommonStyle::cachedOption

[Mojmír Svoboda]

On 20.1.2016 11:38, Igor Mironchik wrote:
>
> Why are you deleting model?

i am trying to remove everything i can so that there are no references
to the underlying data (m_strings).

> Just implement clear() method and between
> beginResetModel(), endResetModel() delete your data. And I guess that
> this crash will not occur again.

not sure if it will help, can try. but the value is cached in 
QCommonStyle, not the model.

Mojmir