[Issue 20833] Template members prevent __traits(getOverloads) from working properly

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20833

--- Comment #1 from Richard Manthorpe <rmanth at gmail.com> ---
It looks like it broke when the third argument for `__traits(getOverloads)` was
added. Note that adding a third argument doesn't help.

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