https://issues.dlang.org/show_bug.cgi?id=23215

          Issue ID: 23215
           Summary: calling std.file.remove with null string segfaults in
                    strlen
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: major
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: d.bugs@webfreak.org

To reproduce:

```d
string s;
remove(s);
```

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