haskell / haskell/haskell-language-server

Some unnecessary recompilations of boot modules

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#1,174 2 comments 0 reactions 0 assignees View on GitHub
component: ghcide status: needs info type: bug
Dominant language
Haskell
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Description

When using on GHC, 15 boot modules are always recompiled on startup.

I think we are not setting the `HscEnv` properly via ghc session deps.

The recompilation reason is reported as `"missing old home dependency"` which stems from here: https://hackage.haskell.org/package/ghc-8.10.2/docs/src/MkIface.html#local-6989586621680922934

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