[Bug target/79846] s390: untranslatable diagnostic in s390.c

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79846

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
The correct way to print HOST_WIDE_INT is with %wu etc. formats.