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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
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  • #22675
Closed
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Issue created Dec 27, 2022 by Matthew Pickering@mpickeringDeveloper

Recompilation checking broken in two ways with multiple home units

  • Course-grained dependency tracking is used if a dependency comes from a different home unit. We should use the fine-grained case.
  • UsageHomeModuleInterface doesn't contain a unit id so we don't know which home unit the dependency has been calculated on which can lead to looking up information in the wrong interface files.
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