diff options
Diffstat (limited to 'compiler/specialise/Rules.hs')
| -rw-r--r-- | compiler/specialise/Rules.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/specialise/Rules.hs b/compiler/specialise/Rules.hs index 83b4e8dd9c..aed86c5b42 100644 --- a/compiler/specialise/Rules.hs +++ b/compiler/specialise/Rules.hs @@ -843,7 +843,7 @@ match_co renv subst co1 co2 _ -> Nothing match_co _ _ _co1 _co2 -- Currently just deals with CoVarCo, TyConAppCo and Refl -#ifdef DEBUG +#if defined(DEBUG) = pprTrace "match_co: needs more cases" (ppr _co1 $$ ppr _co2) Nothing #else = Nothing |