Fix Integral instances for Words (#19026)

Sylvain Henryrequested to merge
hsyl20/ghc:hsyl20/quotremword into master

  • ensure that division wrappers are INLINE

  • make div/mod/divMod call quot/rem/quotRem (same code)

  • this ensures that the quotRemWordN# primitive is used to implement divMod (it wasn't the case for sized Words)

  • make first argument strict for Natural and Integer (similarly to other numeric types)

Edited by Sylvain Henry

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