[llvm] [MachineOutliner] Leaf Descendants (PR #90275)

[Ellis Hoag via llvm-commits]

================
@@ -11,9 +11,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/SuffixTree.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/SuffixTreeNode.h"
+#include <stack>
----------------
ellishg wrote:

```suggestion
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/SuffixTreeNode.h"
```
Are these two includes still needed?

https://github.com/llvm/llvm-project/pull/90275