diff options
Diffstat (limited to 'compiler/GHC/Rename/Module.hs')
| -rw-r--r-- | compiler/GHC/Rename/Module.hs | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/compiler/GHC/Rename/Module.hs b/compiler/GHC/Rename/Module.hs index 80384e56d8..1a5fcedf8f 100644 --- a/compiler/GHC/Rename/Module.hs +++ b/compiler/GHC/Rename/Module.hs @@ -58,7 +58,7 @@ import GHC.Types.Basic ( pprRuleName, TypeOrKind(..) ) import GHC.Data.FastString import GHC.Types.SrcLoc as SrcLoc import GHC.Driver.Session -import GHC.Utils.Misc ( debugIsOn, lengthExceeds, partitionWith ) +import GHC.Utils.Misc ( lengthExceeds, partitionWith ) import GHC.Utils.Panic import GHC.Driver.Env ( HscEnv(..), hsc_home_unit) import GHC.Data.List.SetOps ( findDupsEq, removeDups, equivClasses ) @@ -1527,8 +1527,11 @@ rnTyClDecls tycl_ds all_groups = first_group ++ groups - ; MASSERT2( null final_inst_ds, ppr instds_w_fvs $$ ppr inst_ds_map - $$ ppr (flattenSCCs tycl_sccs) $$ ppr final_inst_ds ) + ; massertPpr (null final_inst_ds) + (ppr instds_w_fvs + $$ ppr inst_ds_map + $$ ppr (flattenSCCs tycl_sccs) + $$ ppr final_inst_ds) ; traceRn "rnTycl dependency analysis made groups" (ppr all_groups) ; return (all_groups, all_fvs) } |