[clang] [llvm] [Offload][Driver] Split frontend CUDA/HIP language assumptions from backend device (PR #212373)

[Johannes Doerfert via cfe-commits]

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@@ -52,6 +52,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/YAMLParser.h"
+#include "llvm/Support/raw_ostream.h"
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jdoerfert wrote:

leftover.

https://github.com/llvm/llvm-project/pull/212373