if b then returnRn hi_boot_ver_path
else returnRn hi_boot_path
| otherwise = returnRn hi_path
- where (Just hi_path) = ml_hi_file locn
+ where hi_path = ml_hi_file locn
(hi_base, _hi_suf) = splitFilename hi_path
hi_boot_path = hi_base ++ ".hi-boot"
hi_boot_ver_path = hi_base ++ ".hi-boot-" ++ cHscIfaceFileVersion