[llvm] [offload] Add Windows offload support (PR #187006)

[Weronika Lewandowska via llvm-commits]

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@@ -27,6 +30,7 @@ target_include_directories(LLVMOffload PUBLIC
                             ${CMAKE_CURRENT_BINARY_DIR}/../include
                             ${CMAKE_CURRENT_SOURCE_DIR}/include
                             ${CMAKE_CURRENT_SOURCE_DIR}/../include
+                            PRIVATE
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wlemkows wrote:

I think PluginCommon is private, and these headers are only used to build liboffload. Do you think they should be public? However, the change is more of an option than a requirement.

https://github.com/llvm/llvm-project/pull/187006