[llvm] [LLVM] Include simple_ilist.h in preference to ilist.h. NFC. (PR #96644)

[Nikita Popov via llvm-commits]

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@@ -20,8 +20,8 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/ilist.h"
 #include "llvm/ADT/ilist_node.h"
+#include "llvm/ADT/simple_ilist.h"
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nikic wrote:

This uses ilist<>, so I think it needs the header.

https://github.com/llvm/llvm-project/pull/96644