purescript-0.12.0: tests/purs/warning/ShadowedBinderPatternGuard.purs
-- @shouldWarnWith ShadowedName module Main where f :: Int -> Int f n | i <- true -- this i is shadowed , i <- 1234 = i
-- @shouldWarnWith ShadowedName module Main where f :: Int -> Int f n | i <- true -- this i is shadowed , i <- 1234 = i