[Issue 17506] [REG2.075] @disable constructor requires members to be initialized

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17506

--- Comment #1 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/dlang/dmd

https://github.com/dlang/dmd/commit/558773e64d42d56ad02970adfdc1371311ca3291
add test cases for existing production code

- fixes Issues 17494, 17505, 17506

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