https://issues.dlang.org/show_bug.cgi?id=19005

          Issue ID: 19005
           Summary: [REG2.081-b1] object.hashOf no longer works for
                    std.datetime.date.Date
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P1
         Component: druntime
          Assignee: nobody@puremagic.com
          Reporter: greensunny12@gmail.com

void main()
{
    import std.datetime.date : Date;
    Date date;
    auto hash = date.hashOf;
}

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