[llvm] [DirectX] Legalize memcpy (PR #139173)

[Deric C. via llvm-commits]

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@@ -15,6 +15,7 @@
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
+#include "llvm/Support/ErrorHandling.h"
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Icohedron wrote:

Yea it is for the unreachable

https://github.com/llvm/llvm-project/pull/139173