Comment 2 for bug 1127777

StacktraceTop:
 g_str_has_suffix (str=0x736e6f63692e <Address 0x736e6f63692e out of bounds>, suffix=suffix@entry=0x7f892a6ea55e "-symbolic") at /build/buildd/glib2.0-2.35.7/./glib/gstrfuncs.c:2752
 choose_icon (icon_theme=icon_theme@entry=0xa504b0, icon_names=0xbdc3e0, size=16, flags=flags@entry=GTK_ICON_LOOKUP_USE_BUILTIN) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkicontheme.c:1341
 gtk_icon_theme_choose_icon (icon_theme=icon_theme@entry=0xa504b0, icon_names=<optimized out>, size=<optimized out>, flags=flags@entry=GTK_ICON_LOOKUP_USE_BUILTIN) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkicontheme.c:1566
 gtk_icon_theme_lookup_by_gicon (icon_theme=icon_theme@entry=0xa504b0, icon=<optimized out>, size=<optimized out>, flags=flags@entry=GTK_ICON_LOOKUP_USE_BUILTIN) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkicontheme.c:3908
 ensure_pixbuf_for_icon_name_or_gicon (context=0x1009030, self=0x119eb40) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkiconhelper.c:254