Objects/longobject.c: In function ‘long_format_binary’:
Objects/longobject.c:2120:13: warning: ‘kind’ may be used uninitialized [-Wmaybe-uninitialized]
 2120 |     else if (kind == PyUnicode_1BYTE_KIND) {
      |             ^
Objects/longobject.c:1996:9: note: ‘kind’ was declared here
 1996 |     int kind;
      |         ^~~~
Objects/longobject.c: In function ‘long_to_decimal_string_internal’:
Objects/longobject.c:1943:13: warning: ‘kind’ may be used uninitialized [-Wmaybe-uninitialized]
 1943 |     else if (kind == PyUnicode_1BYTE_KIND) {
      |             ^
Objects/longobject.c:1767:9: note: ‘kind’ was declared here
 1767 |     int kind;
      |         ^~~~

$ gcc --version
gcc (GCC) 13.2.1 20230801
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This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.