[Bug c/83011] -Wformat-truncation=2 difficult to avoid for non-constant bounds

[julien at trigofacile dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83011

--- Comment #6 from Julien ÉLIE <julien at trigofacile dot com> ---
Many thanks for your kind explanation, Martin.  Perfectly understood.