[llvm] [orc-rt] Implement Windows target triple detection (PR #224514)

[Lang Hames via llvm-commits]

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@@ -7,7 +7,7 @@
 #include "RTTICrossDylibTestError.h"
 
 #if defined(_WIN32)
-#define TEST_EXPORT __declspec(dllexport)
+#define TEST_EXPORT
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lhames wrote:

Assuming that we don't go the "export everything" route I think this is needed.

https://github.com/llvm/llvm-project/pull/224514