diff options
Diffstat (limited to 'compiler/GHC/Tc/Deriv.hs')
-rw-r--r-- | compiler/GHC/Tc/Deriv.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Deriv.hs b/compiler/GHC/Tc/Deriv.hs index 40761ed38c..c71ad4b7b8 100644 --- a/compiler/GHC/Tc/Deriv.hs +++ b/compiler/GHC/Tc/Deriv.hs @@ -2007,7 +2007,7 @@ doDerivInstErrorChecks2 clas clas_inst theta wildcard mechanism -- See Note [Deriving strategies] ; when (exotic_mechanism && className clas `elem` genericClassNames) $ do { failIfTc (safeLanguageOn dflags) gen_inst_err - ; when (safeInferOn dflags) (recordUnsafeInfer emptyBag) } } + ; when (safeInferOn dflags) (recordUnsafeInfer emptyMessages) } } where exotic_mechanism = not $ isDerivSpecStock mechanism |