https://issues.dlang.org/show_bug.cgi?id=13864

          Issue ID: 13864
           Summary: tuple expand causes range violation
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: DMD
          Assignee: nobody@puremagic.com
          Reporter: vlevenfeld@gmail.com

import std.typecons;
void main (string[] args)
    {/*...}*/
        int[] x = [2,3,4];

        writeln (x[0]);
        writeln (x[0.tuple.expand]); // BUG range violation
    }

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