[Issue 17961] Git HEAD std.uni does not compile with -unittest -dip1000

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17961

--- Comment #2 from hsteoh at quickfur.ath.cx ---
Found the offending commit: 905788a65a4b7833f52ee0701dc919ee54f0d35b (Phobos PR
#5337).

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