[Issue 13990] std.algorithm.move incorrectly uses hasAliasing for class references

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13990

--- Comment #1 from Steven Schveighoffer <schveiguy at yahoo.com> ---
PR: https://github.com/D-Programming-Language/phobos/pull/2876

Note, I couldn't just put the code inside structs, because unit tests also want
to make sure a pointer isn't self-pointing.

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