[lld] [CGData][lld-macho] Merge CG Data by LLD (PR #112674)

[via llvm-commits]

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@@ -339,6 +339,7 @@ constexpr const char const_[] = "__const";
 constexpr const char lazySymbolPtr[] = "__la_symbol_ptr";
 constexpr const char lazyBinding[] = "__lazy_binding";
 constexpr const char literals[] = "__literals";
+constexpr const char functionmap[] = "__llvm_merge";
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alx32 wrote:

I think `functionMap` would be the name here if we were to match existing pattern. 

https://github.com/llvm/llvm-project/pull/112674