Public bug reported:
Affects: gnome-panel (Ubuntu)
Severity: Normal
Priority: (none set)
Status: Unconfirmed
Description:
Right-click the trashcan applet. The "empty trash" menu option has no
icon, though it is by far the most important and most frequently used
option in the menu.
--
"Empty trash" has no icon
https://launchpad.net/bugs/41066