[llvm] [BOLT][DWARF][NFC] Add parallelization for processing of DWO debug information (PR #100282)

[Alexander Yermolovich via llvm-commits]

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@@ -120,6 +120,7 @@ void BinaryContext::logBOLTErrorsAndQuitOnFatal(Error E) {
   });
 }
 
+std::mutex ArchMutex;
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ayermolo wrote:

Do we still need this?

https://github.com/llvm/llvm-project/pull/100282