bpo-34087: Fix buffer overflow in int(s) and similar functions (GH-8274)
`_PyUnicode_TransformDecimalAndSpaceToASCII()` missed trailing NUL char.
It caused buffer overflow in `_Py_string_to_number_with_underscores()`.
This bug is introduced in 9b6c60cb.
diff --git a/Python/pystrtod.c b/Python/pystrtod.c
index 3546d44..461e8dc 100644
--- a/Python/pystrtod.c
+++ b/Python/pystrtod.c
@@ -391,6 +391,8 @@
char *dup, *end;
PyObject *result;
+ assert(s[orig_len] == '\0');
+
if (strchr(s, '_') == NULL) {
return innerfunc(s, orig_len, arg);
}