[Issue 21093] [ICE] AssertError at dmd/optimize.d(691): Assertion failure

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21093

--- Comment #2 from Iain Buclaw <ibuclaw at gdcproject.org> ---
Nearby test:

module std.datetime.timezone;
import std;
class TimeZone
{
}
class LocalTime : TimeZone
{
    static immutable(LocalTime) opCall() { }
    override string () { }
}

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