[Issue 18138] non-shared method overload not accessible through interface

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18138

--- Comment #2 from Remi Thebault <remi.thebault at gmail.com> ---
yes, but the ITest interface has a non-shared method, which is overloaded in
IAtomicTest (IAtomicTest extends ITest), so the non-shared method should be
visible too.

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