[Issue 17419] add __traits(getLinkage, s) to the the linkage of symbol s

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17419

--- Comment #5 from Walter Bright <bugzilla at digitalmars.com> ---
https://github.com/dlang/dlang.org/pull/1659

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