[Issue 19187] __traits(compiles) segfaults on access to partially undefined overload set from import

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19187

--- Comment #1 from FeepingCreature <default_357-line at yahoo.de> ---
https://github.com/dlang/dmd/pull/8613 pr up

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