https://issues.dlang.org/show_bug.cgi?id=19893

          Issue ID: 19893
           Summary: version declaration must be at module level
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: turkeyman@gmail.com

version = X;
  version = Y;
  extern(C++, "std"):
  version = Z;
  version = W;

1>error : version `Z` declaration must be at module level 1>error : version `W` declaration must be at module level


I feel like Z and W are still at module level...

--