[clang] [llvm] Add support for Windows hot-patching (PR #138972)

[Alexandre Ganea via llvm-commits]

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@@ -250,6 +250,7 @@ add_llvm_component_library(LLVMCodeGen
   VirtRegMap.cpp
   WasmEHPrepare.cpp
   WindowScheduler.cpp
+  WindowsHotPatch.cpp
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aganea wrote:

Similarily, `WindowsSecureHotPatch.cpp`?

https://github.com/llvm/llvm-project/pull/138972