diff options
Diffstat (limited to 'compiler/GHC/Tc/Module.hs')
| -rw-r--r-- | compiler/GHC/Tc/Module.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Module.hs b/compiler/GHC/Tc/Module.hs index 5be998e07a..e0a4f58d39 100644 --- a/compiler/GHC/Tc/Module.hs +++ b/compiler/GHC/Tc/Module.hs @@ -381,7 +381,8 @@ tcRnImports hsc_env import_decls -- filtering also ensures that we don't see instances from -- modules batch (@--make@) compiled before this one, but -- which are not below this one. - ; (home_insts, home_fam_insts) = hptInstancesBelow hsc_env (moduleName this_mod) (eltsUFM dep_mods) + ; (home_insts, home_fam_insts) = hptInstancesBelow hsc_env (moduleName this_mod) + (S.fromList (eltsUFM dep_mods)) } ; -- Record boot-file info in the EPS, so that it's |