[lld] [llvm] [DTLTO][ELF][COFF] Add archive support for DTLTO. (PR #157043)

[Teresa Johnson via llvm-commits]

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@@ -33,7 +33,9 @@ class DTLTO : public LTO {
   LLVM_ABI virtual Expected<std::shared_ptr<lto::InputFile>>
   addInput(std::unique_ptr<lto::InputFile> InputPtr) override;
 
-  LLVM_ABI virtual llvm::Error dtlto_process() override;
+  LLVM_ABI virtual llvm::Error handleArchiveInputs() override;
+
+  StringMap<bool> ArchiveFiles;
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teresajohnson wrote:

This can be private once isThinArchive is a member function (see comment below). Also, document with comment.

https://github.com/llvm/llvm-project/pull/157043