Documented default -funfolding-use-threshold is incorrect
Summary
Location of documentation issue: https://ghc.gitlab.haskell.org/ghc/doc/users_guide/using-optimisation.html#ghc-flag--funfolding-use-threshold=%E2%9F%A8n%E2%9F%A9
Documentation says default unfolding use threshold is 80, while it's 90 in the code.
Proposed improvements or changes
Correct the listed default.