[Issue 15720] New: iota(long.max, long.min, step) does not work properly

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15720

          Issue ID: 15720
           Summary: iota(long.max, long.min, step) does not work properly
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: phobos
          Assignee: nob...@puremagic.com
          Reporter: hst...@quickfur.ath.cx

Code:
------
import std.range;
import std.stdio;
void main() {
        writeln(iota(long.max, long.min, -1).length);
        writeln(iota(long.max, long.min, -2).length);
        writeln(iota(long.max, long.min, -3).length);
}
------

Output:
------
18446744073709551615
0
1
------

Expected output:
------
18446744073709551615
9223372036854775807
6148914691236517205
------

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