[Issue 14958] Casting a double to ulong sometimes produces wrong results

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14958

ag0aep6g at gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |ag0aep6g at gmail.com

--- Comment #7 from ag0aep6g at gmail.com ---
(In reply to Steven Schveighoffer from comment #6)
> I think that's where I see there is an issue. Only when you actually assign
> it to a double does it become concretely double.

With -O that doesn't cut it either.

----
void main()
{
    import std.stdio;
    double x = 1.2;
    double d = x * 10.0;
    writeln(cast(ulong) d);
}
----

`dmd test.d && ./test` -> 12
`dmd -O test.d && ./test` -> 11

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