Depends what you mean by fail.
Fail can mean outright bankruptcy, shut the thuing down=type of thing,
or a recapitalization where shareholders and bondholders lose everything yet the banks operations continue,
or the same thing except bondholders dont lose,
or just a forced injection of all kinds of capital in return for an enormous dilution of the shares,
or a forced merger at very punishing terms.
Regardless, if I'm a shareholder, if I lose, like, 75% on something, good enough, that's a FAIL in my books!