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-no-link doesn't remove Link nodes from ModuleGraph
The correct implementation of -no-link is to not construct a build plan/module graph which contains link nodes. What currently happens is the build graph contains the link node (as evidenced by the 8 steps of the build plan) but the last step is just skipped.. which could be quite confusing. ``` [1 of 8] Compiling GHCi.UI.Info ( ghc/GHCi/UI/Info.hs, _new/stage1/ghc/build/GHCi/UI/Info.o, _new/stage1/ghc/build/GHCi/UI/Info.dyn_o ) [2 of 8] Compiling GHCi.UI.Monad ( ghc/GHCi/UI/Monad.hs, _new/stage1/ghc/build/GHCi/UI/Monad.o, _new/stage1/ghc/build/GHCi/UI/Monad.dyn_o ) [3 of 8] Compiling GHCi.UI.Tags ( ghc/GHCi/UI/Tags.hs, _new/stage1/ghc/build/GHCi/UI/Tags.o, _new/stage1/ghc/build/GHCi/UI/Tags.dyn_o ) [4 of 8] Compiling GHCi.Util ( ghc/GHCi/Util.hs, _new/stage1/ghc/build/GHCi/Util.o, _new/stage1/ghc/build/GHCi/Util.dyn_o ) [5 of 8] Compiling GHCi.Leak ( ghc/GHCi/Leak.hs, _new/stage1/ghc/build/GHCi/Leak.o, _new/stage1/ghc/build/GHCi/Leak.dyn_o ) [6 of 8] Compiling GHCi.UI ( ghc/GHCi/UI.hs, _new/stage1/ghc/build/GHCi/UI.o, _new/stage1/ghc/build/GHCi/UI.dyn_o ) [7 of 8] Compiling Main ( ghc/Main.hs, _new/stage1/ghc/build/Main.o, _new/stage1/ghc/build/Main.dyn_o ) ```
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