"Writing 2 bytes into a region of size 0" warning on GCC10

[OptoCloud]

This is the entire error message, so im guessing its something internally in fmt, and not my application

In function ‘memcpy’,
    inlined from ‘format_decimal’ at /home/OptoCloud/Documents/GitHub/MyApp/libs/fmt/include/fmt/format.h:1093:59,
    inlined from ‘format_decimal’ at /home/OptoCloud/Documents/GitHub/MyApp/libs/fmt/include/fmt/format.h:1141:28,
    inlined from ‘write’ at /home/OptoCloud/Documents/GitHub/MyApp/libs/fmt/include/fmt/format.h:2145:28:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:34:33: warning: writing 2 bytes into a region of size 0 [-Wstringop-overflow=]
   34 |   return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
      |                                 ^
/home/OptoCloud/Documents/GitHub/MyApp/libs/fmt/include/fmt/format.h: In function ‘write’:
/home/OptoCloud/Documents/GitHub/MyApp/libs/fmt/include/fmt/format.h:1140:8: note: at offset -2 to object ‘buffer’ with size 10 declared here
 1140 |   Char buffer[digits10<UInt>() + 1];
      |        ^

[vitaut]

Please provide a repro.

[OnurKader]

Could this be related to #1810?

[OptoCloud]

Yup #1810 (comment)

[vitaut]

Closing then. If this is a different issue feel free to reopen with the code to reproduce and version information.