[clang] [llvm] [DTLTO][Clang] Add support for Integrated Distributed ThinLTO (PR #147265)

[Teresa Johnson via llvm-commits]

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@@ -455,6 +455,21 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     addLTOOptions(ToolChain, Args, CmdArgs, Output, Inputs,
                   D.getLTOMode() == LTOK_Thin);
 
+  // Forward the DTLTO options to the linker. We add these unconditionally,
+  // rather than in addLTOOptions() as it is the linker that decides whether to
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teresajohnson wrote:

Why not be consistent with the other LTO options though, which are added in addLTOOptions? The same argument could be made for those (and maybe they should be sent unconditionally, but that seems like a separate discussion).

https://github.com/llvm/llvm-project/pull/147265