[clang] [llvm] Pass TargetMachine from from Clang to `BitcodeWriter`and `ThinLTOBitcodeWriter` pass for thin and fat LTO respectively. (PR #143692)

[Teresa Johnson via llvm-commits]

================
@@ -1158,7 +1158,7 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
             return;
         }
         MPM.addPass(ThinLTOBitcodeWriterPass(
-            *OS, ThinLinkOS ? &ThinLinkOS->os() : nullptr));
+            *OS, ThinLinkOS ? &ThinLinkOS->os() : nullptr, false, TM.get()));
----------------
teresajohnson wrote:

Please document constant parameters: https://llvm.org/docs/CodingStandards.html#comment-formatting

https://github.com/llvm/llvm-project/pull/143692