[Issue 20455] New: Filename or directories starting with "-" cannot be processed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20455

          Issue ID: 20455
           Summary: Filename or directories starting with "-" cannot be
                    processed
           Product: D
           Version: D2
          Hardware: All
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: rumbu at rumbu.ro

Examples:

dmd -myfile.d
Error: Unrecognized switch -myfile.d

dmd -mydir\myfile.d
Error: Unrecognized switch -mydir\myfile.d

Suggestion: on Windows use the default command prefix: "/"

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