I had this happen, though not so egregiously, on my IR checkride. The
Arrow can drop like a ruptured duck when asked, so high sink rate, on
the glideslope. The examiner told me that I had violated the PTS
requirement for an ILS maneuver, but she said the fact that I
stabilized on the GS as soon as I got there made it acceptable.

This would actually be a good thing to practice in the training, in
addition to vectors through the localizer.