[llvm] [llvm-objcopy] Add llvm-objcopy option --set-symbol-visibility (PR #80872)

[Fangrui Song via llvm-commits]

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@@ -298,6 +298,10 @@ static Error updateAndRemoveSymbols(const CommonConfig &Config,
          Config.SymbolsToLocalize.matches(Sym.Name)))
       Sym.Binding = STB_LOCAL;
 
+    for (auto &[Matcher, VisibilityType] : ELFConfig.SymbolsToSetVisibility)
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MaskRay wrote:

Change VisibilityType to Visibility like elsewhere?

https://github.com/llvm/llvm-project/pull/80872