[Issue 13704] Confusing error message when passing the same file on the command line twice

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13704

hsteoh at quickfur.ath.cx changed:

           What    |Removed                     |Added
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                 CC|                            |hsteoh at quickfur.ath.cx
            Summary|Confusing error message     |Confusing error message
                   |when passing the same on    |when passing the same file
                   |the command line twice      |on the command line twice

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