[clang] [llvm] [clang] Introduce target-specific `Sema` components (PR #93179)

[Erich Keane via cfe-commits]

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@@ -67,6 +67,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
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erichkeane wrote:

What do we need this addition for?

https://github.com/llvm/llvm-project/pull/93179