[Issue 18832] New: std.typecons.tuple comparison broken for floating point elements

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18832

          Issue ID: 18832
           Summary: std.typecons.tuple comparison broken for floating
                    point elements
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: qs.il.paperinik at gmail.com

This code compiles:

    import std.typecons : tuple;
    auto tup = tuple(double.nan);
    assert(tup > tup);
    assert(!(tup < tup));

What else to say. Comparison is broken. Unfortunately in D, non-total orders
are generally broken.

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