Your bug report

#53256: Compiling 3.8 with nvhpc 22.1 : malloca.c 64 bits operations with signed and unsigned operands are currently unsupported by __builtin_add_overflow

which was filed against the diffutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 53256@debbugs.gnu.org.

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53256: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=53256
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