[llvm] [MergeFunctions] Add support to run the pass over a set of function pointers (PR #111045)

[Nikita Popov via llvm-commits]

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@@ -15,7 +15,9 @@
 #ifndef LLVM_TRANSFORMS_IPO_MERGEFUNCTIONS_H
 #define LLVM_TRANSFORMS_IPO_MERGEFUNCTIONS_H
 
+#include "llvm/IR/Function.h"
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nikic wrote:

Forward declare this instead.

https://github.com/llvm/llvm-project/pull/111045