Replacing existing values leads to type errors and printing wrong pcs in
errors.

Change-Id: I513eae0a7e0cb5764d307eb172a378d328ca3660
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2936596Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74953}