Comment 2 for bug 729150

StacktraceTop:
 icon_name_hash (key=0x1) at /build/buildd/gtk+2.0-2.24.1/gtk/gtkiconcache.c:208
 find_image_offset (icon_name=0x1 <Address 0x1 out of bounds>, directory_index=15, cache=<value optimized out>) at /build/buildd/gtk+2.0-2.24.1/gtk/gtkiconcache.c:241
 _gtk_icon_cache_get_icon_flags (cache=0x8b72318, icon_name=0x1 <Address 0x1 out of bounds>, directory_index=15) at /build/buildd/gtk+2.0-2.24.1/gtk/gtkiconcache.c:283
 theme_dir_get_icon_suffix (dir=<value optimized out>, icon_name=<value optimized out>, has_icon_file=0x0) at /build/buildd/gtk+2.0-2.24.1/gtk/gtkicontheme.c:2070
 theme_lookup_icon (icon_theme=<value optimized out>, icon_names=0x8ba61d0, size=24, flags=GTK_ICON_LOOKUP_USE_BUILTIN) at /build/buildd/gtk+2.0-2.24.1/gtk/gtkicontheme.c:2133