[Bug debug/59171] pretty printers: reverse iterator off by one

[jan.kratochvil at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59171

--- Comment #1 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
valid for: gcc-5.1.1-1.fc23.x86_64