Comment 2 for bug 986816

StacktraceTop:
 completion_match_func (comp=<optimized out>, key_unused=<optimized out>, iter=<optimized out>, data=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkfilechooserentry.c:427
 gtk_entry_completion_visible_func (model=<optimized out>, iter=0x7fff94e081d0, data=0x994f5b0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkentrycompletion.c:821
 gtk_tree_model_filter_visible (filter=<optimized out>, child_iter=<optimized out>) at /build/buildd/gtk+2.0-2.24.10/gtk/gtktreemodelfilter.c:764
 gtk_tree_model_filter_build_level (filter=0x6bfc0d0, parent_level=<optimized out>, parent_elt_index=<optimized out>, emit_inserted=0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtktreemodelfilter.c:535
 gtk_tree_model_filter_iter_n_children (model=0x6bfc0d0, iter=0x0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtktreemodelfilter.c:2599