[Issue 14107] compiler shouldn't allow to compare unions without custom opEquals

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=14107

--- Comment #3 from dlangBugzillaToGithub <robert.schadek at posteo.de> ---
THIS ISSUE HAS BEEN MOVED TO GITHUB

https://github.com/dlang/dmd/issues/17695

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

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