Nothing -> do
-- can't find a source file anywhere, check for a lone .hi file.
hisuf <- readIORef v_Hi_suf
let hi = basename ++ '.':hisuf
case lookupFM home_map hi of {
Nothing -> do
-- can't find a source file anywhere, check for a lone .hi file.
hisuf <- readIORef v_Hi_suf
let hi = basename ++ '.':hisuf
case lookupFM home_map hi of {