[Issue 15576] New: extern(C++) wrong mangling

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15576

          Issue ID: 15576
           Summary: extern(C++) wrong mangling
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nob...@puremagic.com
          Reporter: turkey...@gmail.com

C++:
namespace ep {
  struct Instance {};
  Instance *s_pInstance = nullptr;
}

D:
extern (C++, ep) {
  struct Instance {}
  extern __gshared Instance* s_pInstance;
}


C++ mangles: ?s_pInstance@ep@@3PEAUInstance@1@EA
D mangles:   ?s_pInstance@ep@@2PEAUInstance@1@EA

Notice there is a '2' where a '3' should be.

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