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Opened by Christiaan Baaij@christiaanb

Natural shiftL 0 65 not equal to 0

Summary

GHCi, version 9.0.0.20201227: https://www.haskell.org/ghc/  :? for help
ghci> import Data.Bits
ghci> import GHC.Natural
ghci> shiftL 0 65 == (0 :: Natural)
False

Expected behavior

0 should be equal to 0, no matter how many bits you shift it to the left.

Environment

  • GHC version used: 9.0.1-rc1

Optional:

  • Operating System: Ubuntu 18.04 LTS (on WSL2, Windows 10.0.19042)
  • System Architecture: x86_64