-- | Find all locally-defined free Ids or type variables in several expressions
-- returning a composable FV computation. See Note [FV naming conventions] in FV
-- for why export it.
exprsFVs :: [CoreExpr] -> FV
exprsFVs exprs = mapUnionFV exprFVs exprs
exprsFVs :: [CoreExpr] -> FV
exprsFVs exprs = mapUnionFV exprFVs exprs
exprsFVs exprs = mapUnionFV exprFVs exprs