I've just checked:
It's already present in 2018a
(I have several portable versions for checking)

Oleh

23 жовтня 2018, 14:39:04, від "Sven Schreiber" <svetosch@gmx.net>:

Am 23.10.2018 um 13:31 schrieb oleg_komashko@ukr.net:
Dear all,
If we create a function having a name coinsiding
with the name of a local variable in a package,
Right (confirmed), this shouldn't happen. For me this is with the Oct 16th snapshot.

thanks,
sven
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