e_exe_time <- IO.try $ getModificationTime exe_file
extra_ld_inputs <- readIORef v_Ld_inputs
extra_times <- mapM (IO.try . getModificationTime) extra_ld_inputs
e_exe_time <- IO.try $ getModificationTime exe_file
extra_ld_inputs <- readIORef v_Ld_inputs
extra_times <- mapM (IO.try . getModificationTime) extra_ld_inputs