Overload operator! in mapped class to Boolean cause [INSTALL_FAILED_DEXOPT] on Android

IDE: VS 2015
Version: 8.4.96.2041
Target (If relevant): Android
Description:

public __mapped class gbool => java.lang.Boolean {
    public bool? value => __mapped;
    public static implicit operator gbool(bool r) => (bool?)r;
    public static implicit operator bool(gbool g) => g.value;

    /* This will cause [INSTALL_FAILED_DEXOPT] when deploy*/
    public static bool operator! (gbool a) => !a.value;
}

Thanks, logged as bugs://76219

bugs://76219 got closed with status fixed.

Logged as bugs://i64132.

bugs://i64132 was closed as fixed.