bug#7462: 24.0.50; prefix arg breaks `last-command' for `mouse-save-then-kill'

[Noam Postavsky]

found 7462 24.3
tags 7462 fixed
close 7462 24.4
quit

"Drew Adams" <drew.adams@oracle.com> writes:

> 1. Click `mouse-1' somewhere.
> 2. Click `mouse-3' at another location in the same buffer.
> 3. C-u
> 4. Click `mouse-3' at the same location as #2.

Observed in 24.3: step #4 has no effect.
Expected and observed in 24.4+: step #4 kills the region selected in
step #2.