Comment 14 for bug 618798

StacktraceTop:
 mem_true24_copy_mono (dev=<value optimized out>,
 gx_image_cached_char (penum=0x14afae8, cc=0x3f)
 show_update (penum=0x14afae8) at ./base/gxchar.c:833
 show_proceed (penum=0x14afae8)
 ?? ()