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

[Lang Hames via llvm-commits]

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@@ -7,20 +7,32 @@ if (NOT TARGET llvm_gtest)
   return ()
 endif ()
 
+set(LLVM_REQUIRES_RTTI ON)
+set(LLVM_REQUIRES_EH ON)
+
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lhames wrote:

Do these belong here? Is this for gtest's sake?

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