[llvm] [BOLT] Add support for safe-icf (PR #116275)

[Amir Ayupov via llvm-commits]

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@@ -2094,6 +2103,10 @@ class BinaryFunction {
   // adjustments.
   void handleAArch64IndirectCall(MCInst &Instruction, const uint64_t Offset);
 
+  /// Processes code section to identify function references.
+  void processInstructionsForFuncReferences(BinaryContext &BC,
+                                            const MCInst &Inst);
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aaupov wrote:

nit: make it explicit that we check address-taken references? 
Please also update the comment

https://github.com/llvm/llvm-project/pull/116275