https://issues.dlang.org/show_bug.cgi?id=18958

          Issue ID: 18958
           Summary: extern(C++) wchar, dchar mangling not correct
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: turkeyman@gmail.com

Mangling not right for wchar/dchar.

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