[commit: ghc] wip/T11731's head updated: Used-once variables are not trivial (3d7a846)

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Repository : ssh://git@git.haskell.org/ghc

Branch 'wip/T11731' now includes:

     a76e6f5 Typos in non-code
     40ea4ea Demand Analyzer: Do not set OneShot information
     3250e00 Core pretty printer: Omit wild case binders
     89b4b03 CSE: Do not add a "trivial_scrut -> case binder" mapping
     3d7a846 Used-once variables are not trivial