Reason string for the most recently logged script-check outcome, used to avoid repeat logging.
Declared in <validation.h>
[[guarded_by(0x7f9513ab3928), guarded_by(0x7f9502c96998), guarded_by(0x7f95254486c8), guarded_by(0x7f95173fe9a8)]]
std::optional<char const*> m_last_script_check_reason_logged = {};