[Issue 15957] Disabled postblit + template mixin break opAssign with confusing error message

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15957

--- Comment #8 from Walter Bright <bugzilla at digitalmars.com> ---
Documentation:

https://github.com/dlang/dlang.org/pull/1285

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