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

[Fangrui Song 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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MaskRay wrote:

For ELF, the intention is yes. Perhaps this "deprecation" notice can be added once another port decides to follow ELF?

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