Python/preconfig.c:725:13: warning: variable 'init_utf8_mode' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
        if (_Py_INIT_FAILED(err)) {
            ^~~~~~~~~~~~~~~~~~~~
./Include/cpython/coreconfig.h:37:5: note: expanded from macro '_Py_INIT_FAILED'
    (err.msg != NULL || err.exitcode != -1)
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/preconfig.c:815:19: note: uninitialized use occurs here
    Py_UTF8Mode = init_utf8_mode ;
                  ^~~~~~~~~~~~~~
Python/preconfig.c:725:9: note: remove the 'if' if its condition is always false
        if (_Py_INIT_FAILED(err)) {
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~
Python/preconfig.c:725:29: warning: variable 'init_utf8_mode' is used uninitialized whenever '||' condition is true [-Wsometimes-uninitialized]
        if (_Py_INIT_FAILED(err)) {
            ~~~~~~~~~~~~~~~~^~~~
./Include/cpython/coreconfig.h:37:6: note: expanded from macro '_Py_INIT_FAILED'
    (err.msg != NULL || err.exitcode != -1)
     ^~~~~~~~~~~~~~~
Python/preconfig.c:815:19: note: uninitialized use occurs here
    Py_UTF8Mode = init_utf8_mode ;
                  ^~~~~~~~~~~~~~
Python/preconfig.c:725:29: note: remove the '||' if its condition is always false
        if (_Py_INIT_FAILED(err)) {
                            ^
Python/preconfig.c:730:5: note: variable 'init_utf8_mode' is declared here
    int init_utf8_mode = Py_UTF8Mode;
    ^
2 warnings generated.