gedit crash when modify currently "browsed" file

[Gábor Lipták]

Steps to reproduce:

$ cd /tmp
$ touch foo.txt
$ gedit &

#### Bring up the File Open dialog. Select /tmp/foo.txt (but do not open it). Copy its location (with right click menu)
#### Switch back to shell and delete /tmp/foo.txt

$ rm foo.txt

#### Observe core in shell

$
(gedit:4624): Gtk-CRITICAL **: gtk_tree_model_filter_convert_iter_to_child_iter: assertion `valid == TRUE' failed

(gedit:4624): Gtk-CRITICAL **: gtk_file_system_model_get_value: assertion `ITER_IS_VALID (model, iter)' failed

(gedit:4624): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.34.1/./gobject/gtype.c:4204: type id `0' is invalid

(gedit:4624): GLib-GObject-WARNING **: can't peek value table for type `<invalid>' which is not currently referenced

I generated a code which I'm attaching.

Thanks

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gedit 3.6.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
Uname: Linux 3.5.0-22-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Sat Apr 27 10:56:24 2013
MarkForUpload: True
SourcePackage: gedit
UpgradeStatus: Upgraded to quantal on 2012-10-21 (187 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jani Uusitalo (uusijani)]

When the selected/renamed file is a directory: see Bug #1105232.

[Jani Uusitalo (uusijani)]

Also affects 12.04 (with gedit 3.4.1-0ubuntu1).