diff options
Diffstat (limited to 'compiler/cmm')
| -rw-r--r-- | compiler/cmm/CmmMonad.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/cmm/CmmMonad.hs b/compiler/cmm/CmmMonad.hs index f3b4441a9b..821c0a6504 100644 --- a/compiler/cmm/CmmMonad.hs +++ b/compiler/cmm/CmmMonad.hs @@ -1,3 +1,5 @@ +{-# LANGUAGE CPP #-} + ----------------------------------------------------------------------------- -- A Parser monad with access to the 'DynFlags'. -- @@ -31,7 +33,9 @@ instance Applicative PD where instance Monad PD where (>>=) = thenPD +#if !MIN_VERSION_base(4,13,0) fail = MonadFail.fail +#endif instance MonadFail.MonadFail PD where fail = failPD |