[PATCH] D24065: [libc++] Don't attempt to dllexport enum class

[Saleem Abdulrasool via cfe-commits]

compnerd added inline comments.

================
Comment at: include/__config:719
@@ -718,3 +718,3 @@
 #else  // _LIBCPP_HAS_NO_STRONG_ENUMS
-#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
+#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS_ONLY x
 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
----------------
I don't think that this is right.  On non-Windows, this would potentially expand out to `__attribute__ (( __type_visibility__ ("default") ))`.  I don't believe that `enum classes` have anything like RTTI associated with them, so we don't really want type visibility for that.


https://reviews.llvm.org/D24065