https://issues.dlang.org/show_bug.cgi?id=19338

          Issue ID: 19338
           Summary: std.bitmanip.BitArray.count gives segfault for empy
                    BitArray
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: richardpalme5b@gmail.com

The following code gives a segmentation fault:

--------------------------------------------------------------------
import std.bitmanip;

void main() {
    BitArray b;
    auto count = b.count;
}
--------------------------------------------------------------------

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