Commit c409961a authored by Committed by Marge BotBrowse files
Update commentary and slightly refactor GHC.Tc.Deriv.Infer
There was some out-of-date commentary in `GHC.Tc.Deriv.Infer` that has been modernized. Along the way, I removed the `bad` constraints in `simplifyDeriv`, which did not serve any useful purpose (besides being printed in debugging output). Fixes #18073.
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