[clang] [lld] [llvm] Integrated Distributed ThinLTO (DTLTO): Initial support (PR #126654)

[Vincent Lee via cfe-commits]

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@@ -294,6 +305,32 @@ ThinBackend createInProcessThinBackend(ThreadPoolStrategy Parallelism,
                                        bool ShouldEmitIndexFiles = false,
                                        bool ShouldEmitImportsFiles = false);
 
+/// This ThinBackend generates the index shards and then runs the individual
+/// backend jobs via an external process. It takes the same parameters as the
+/// InProcessThinBackend, however, these parameters only control the behavior
+/// when generating the index files for the modules. Addtionally:
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thevinster wrote:

typo: `Addtionally` -> `Additionally`.

https://github.com/llvm/llvm-project/pull/126654