[Issue 18839] Crash on getMember of function masking imported template function

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18839

--- Comment #3 from FeepingCreature <default_357-line at yahoo.de> ---
Double correction- I had a local patch I'd forgotten about. Both still crash.
Reduction is valid. (Sorry.)

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