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

[Katya Romanova via llvm-commits]

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@@ -2326,6 +2336,35 @@ class OutOfProcessThinBackend : public CGThinBackend {
             else
               Err = std::move(E);
           }
+
+          if (Cache.isValid() &&
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romanova-ekaterina wrote:

I will do it in a separate commit.


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