[Issue 12359] implicit overload merging with selective imports should be removed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=12359

--- Comment #13 from Walter Bright <bugzilla at digitalmars.com> ---
Also posted on https://github.com/D-Programming-Language/dmd/pull/3416 :

I just don't see much justification for such a wholesale reengineering of how
imports work. The current rules have been in place for a very long time, and
likely a whole lot of code relies on it. The new behavior doesn't seem
particularly better - just different.

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