[lld] [lld-macho] icf objc stubs (PR #79730)

[Kyungwoo Lee via llvm-commits]

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@@ -332,10 +333,17 @@ class ObjCStubsSection final : public SyntheticSection {
   void setUp();
 
   static constexpr llvm::StringLiteral symbolPrefix = "_objc_msgSend$";
+  static bool isObjCStubSymbol(Symbol *sym);
+  static StringRef getMethName(Symbol *sym);
 
 private:
   std::vector<Defined *> symbols;
-  std::vector<uint32_t> offsets;
+  // Existing mapping from methname to selref (0 index is assumed).
+  llvm::StringMap<InputSection *> methnameToselref;
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kyulee-com wrote:

Renamed the map name and type.

https://github.com/llvm/llvm-project/pull/79730