# Serious bug in GHC 9.4 on basic math on aarch64

**URL:** <https://discourse.haskell.org/t/serious-bug-in-ghc-9-4-on-basic-math-on-aarch64/5167>\
**Category:** Announcements\
**Created:** [October 12, 2022, 11:17am UTC](https://discourse.haskell.org/t/serious-bug-in-ghc-9-4-on-basic-math-on-aarch64/5167 "2022-10-12T11:17:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sjakobi](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.haskell.org/sjakobi/32/614_2.png) [@sjakobi](https://discourse.haskell.org/u/sjakobi)\
**Post date:** [October 12, 2022, 11:17am UTC](https://discourse.haskell.org/t/serious-bug-in-ghc-9-4-on-basic-math-on-aarch64/5167/1 "2022-10-12T11:17:15Z")

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[https://mail.haskell.org/pipermail/ghc-devs/2022-October/020969.html](https://mail.haskell.org/pipermail/ghc-devs/2022-October/020969.html)

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**Author:** ![CarstenK](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.haskell.org/carstenk/32/2087_2.png) [@CarstenK](https://discourse.haskell.org/u/CarstenK)\
**Post date:** [October 12, 2022, 12:33pm UTC](https://discourse.haskell.org/t/serious-bug-in-ghc-9-4-on-basic-math-on-aarch64/5167/2 "2022-10-12T12:33:44Z")

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Just had a quick read on the discussion about this bug - seems it’s probably in 9.2 too.