Re: problem report #95

[Davis Herring]

> 3952            img_id = lookup_image (f, image);
>
> At conditional (19): "img_id >= 0" taking true path
> At conditional (20): "img_id < (((f)->terminal)->image_cache)->used"
> taking false path
>
> 3953            img = IMAGE_FROM_ID (f, img_id);
>
> Event var_deref_model: Variable "img" tracked as NULL was passed to a
> function that dereferences it. [model]

I don't understand how `img' is getting passed to any function here.  It
seems like, even with the assumptions being made, it would just get
assigned NULL (again) here.

Davis

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