Make the ASSERT more informative

diff --git a/compiler/codeGen/ClosureInfo.lhs b/compiler/codeGen/ClosureInfo.lhs
index bc7dfec..9598233 100644 (file)
--- a/compiler/codeGen/ClosureInfo.lhs
+++ b/compiler/codeGen/ClosureInfo.lhs
@@ -260,7 +260,7 @@ mkLFReEntrant top fvs args arg_descr
 
 mkLFThunk :: Type -> TopLevelFlag -> [Var] -> UpdateFlag -> LambdaFormInfo
 mkLFThunk thunk_ty top fvs upd_flag
-  = ASSERT( not (isUpdatable upd_flag) || not (isUnLiftedType thunk_ty) )
+  = ASSERT2( not (isUpdatable upd_flag) || not (isUnLiftedType thunk_ty), ppr thunk_ty $$ ppr fvs )
     LFThunk top (null fvs) 
            (isUpdatable upd_flag)
            NonStandardThunk