[Issue 18296] [Reg2.078.1] invalid code with coverage and copy construction

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18296

--- Comment #3 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/dlang/druntime

https://github.com/dlang/druntime/commit/2d45fcbbd7a734bb6ecf8ba3d60897e8fefc4d44
use more specific workaround for Issue 18296

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