Hello- Can a wall sweep be adjusted to match the profile of an edited wall?

I have a wall base sweep intersecting with a nearly vertical sloped wall edge (e.g., like a doorway opening, but the jamb is slanted). There is a small triangle of space left over at the bottom that needs to be covered with wall base, caused by the intersection of the vertical edge of the wall sweep with the sloped wall. I can align the base to the slope if the wall is originally cut with a void to create the slope (by making the sweep cuttable), but unfortunately the slope was created with Edit Profile in sketch mode, and the sweep does not inherit the edit. Any hope? I have too many walls that were profile-edited to go back and redo them all with void cuts.

I also would like to avoid creating a custom in-place model for a tiny piece of wall base!