diff options
Diffstat (limited to 'ghc/compiler/simplCore/SimplCase.lhs')
| -rw-r--r-- | ghc/compiler/simplCore/SimplCase.lhs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ghc/compiler/simplCore/SimplCase.lhs b/ghc/compiler/simplCore/SimplCase.lhs index 786f723ca6..4318ec56ca 100644 --- a/ghc/compiler/simplCore/SimplCase.lhs +++ b/ghc/compiler/simplCore/SimplCase.lhs @@ -511,7 +511,8 @@ simplAlts env scrut (AlgAlts alts deflt) rhs_c new_env = case scrut of Var v -> extendEnvGivenNewRhs env1 v (Con con args) where - (_, ty_args, _) = getAppDataTyConExpandingDicts (idType v) + (_, ty_args, _) = --trace "SimplCase.getAppData..." $ + getAppDataTyConExpandingDicts (idType v) args = map TyArg ty_args ++ map VarArg con_args' other -> env1 @@ -775,7 +776,8 @@ mkCoCase env scrut (AlgAlts outer_alts v | scrut_is_var = Var scrut_var | otherwise = Con con (map TyArg arg_tys ++ map VarArg args) - arg_tys = case (getAppDataTyConExpandingDicts (idType deflt_var)) of + arg_tys = --trace "SimplCase:getAppData...:2" $ + case (getAppDataTyConExpandingDicts (idType deflt_var)) of (_, arg_tys, _) -> arg_tys mkCoCase env scrut (PrimAlts |