[Issue 17740] ghost "internal" symbols show up sometimes

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17740

--- Comment #8 from Steven Schveighoffer <schveiguy at yahoo.com> ---
Correction: PR was not about MonoTime but SysTime. But still, datetime seems to
be involved.

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