[Issue 20968] Linker error of uninstantiated templated `opEquals` member of struct when compiled with -preview=in

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20968

--- Comment #4 from dlangBugzillaToGithub <robert.schadek at posteo.de> ---
THIS ISSUE HAS BEEN MOVED TO GITHUB

https://github.com/dlang/dmd/issues/19731

DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO
GITHUB

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