[Issue 10378] Prevent local imports from hiding local symbols

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=10378

--- Comment #29 from hsteoh at quickfur.ath.cx ---
Do you have an example where this is problematic?

At any rate, it's better than the stonewall silence we've had on import issues
for many years now.

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