[llvm] [DTLTO] [LLVM] Initial DTLTO cache implementation (PR #156433)

[Teresa Johnson via llvm-commits]

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@@ -281,6 +281,7 @@ struct Config {
   LLVM_ABI Error addSaveTemps(std::string OutputFileName,
                               bool UseInputModulePath = false,
                               const DenseSet<StringRef> &SaveTempsArgs = {});
+  mutable uint8_t Dtlto = 0;
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teresajohnson wrote:

bool? Also, add a comment about the need for this variable.

https://github.com/llvm/llvm-project/pull/156433