i2c infinite loop when building with optimizations about stm32g0xx-hal HOT 3 CLOSED

 ($i2c:expr) => {
        let mut count = 0;
        loop {
            let isr = $i2c.isr.read();
            if isr.berr().bit_is_set() {
                $i2c.icr.write(|w| w.berrcf().set_bit());
                return Err(Error::BusError);
            } else if isr.arlo().bit_is_set() {
                $i2c.icr.write(|w| w.arlocf().set_bit());
                return Err(Error::ArbitrationLost);
            } else if isr.nackf().bit_is_set() {
                $i2c.icr.write(|w| w.nackcf().set_bit());
                return Err(Error::Nack);
            } else if isr.busy().bit_is_clear() {
                break;
            }
            count += 1;
            if count > 1000 {
                break;
            }
        }
    };