[lld] [ELF] Add context-aware diagnostic functions (PR #112319)

[Ellis Hoag via llvm-commits]

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@@ -152,6 +152,21 @@ void message(const Twine &msg, llvm::raw_ostream &s = outs());
 void warn(const Twine &msg);
 uint64_t errorCount();
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ellishg wrote:

Is the plan to replace these error methods with `elf::Warn()`, `elf::Err()`, ..., etc? If so can we add a doc to point users to these new methods?

https://github.com/llvm/llvm-project/pull/112319