MkIface: Turn a foldr into a foldl'
MkIface: Turn a foldr into a foldl'

There is no reason why this should be a foldr considering we are
building a map.

sdiehl/ghc,mettekou/ghc,sdiehl/ghc,shlevy/ghc,ezyang/ghc,mettekou/ghc,mettekou/ghc,ezyang/ghc,olsner/ghc,olsner/ghc,mettekou/ghc,ezyang/ghc,shlevy/ghc,sdiehl/ghc,shlevy/ghc,ezyang/ghc,olsner/ghc,shlevy/ghc,ezyang/ghc,olsner/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,sdiehl/ghc,olsner/ghc,shlevy/ghc,sdiehl/ghc,shlevy/ghc,olsner/ghc,mettekou/ghc,sdiehl/ghc,mettekou/ghc,olsner/ghc,ezyang/ghc,mettekou/ghc