diff options
| -rw-r--r-- | lib/dialyzer/src/dialyzer_typesig.erl | 17 | ||||
| -rw-r--r-- | lib/dialyzer/test/map_SUITE_data/results/map_in_guard | 1 |
2 files changed, 14 insertions, 4 deletions
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl index 810b7c55e9..5b40376352 100644 --- a/lib/dialyzer/src/dialyzer_typesig.erl +++ b/lib/dialyzer/src/dialyzer_typesig.erl @@ -3131,13 +3131,24 @@ mk_constraint_ref(Id, Deps) -> mk_constraint_list(Type, List) -> List1 = ordsets:from_list(lift_lists(Type, List)), - List2 = ordsets:filter(fun(X) -> get_deps(X) =/= [] end, List1), - Deps = calculate_deps(List2), + case Type of + conj -> + List2 = ordsets:filter(fun(X) -> get_deps(X) =/= [] end, List1), + mk_constraint_list_cont(Type, List2); + disj -> + case lists:any(fun(X) -> get_deps(X) =:= [] end, List1) of + true -> mk_constraint_list_cont(Type, [mk_constraint_any(eq)]); + false -> mk_constraint_list_cont(Type, List1) + end + end. + +mk_constraint_list_cont(Type, List) -> + Deps = calculate_deps(List), case Deps =:= [] of true -> #constraint_list{type = conj, list = [mk_constraint_any(eq)], deps = []}; - false -> #constraint_list{type = Type, list = List2, deps = Deps} + false -> #constraint_list{type = Type, list = List, deps = Deps} end. lift_lists(Type, List) -> diff --git a/lib/dialyzer/test/map_SUITE_data/results/map_in_guard b/lib/dialyzer/test/map_SUITE_data/results/map_in_guard index 8ba8594b0e..1015f76128 100644 --- a/lib/dialyzer/test/map_SUITE_data/results/map_in_guard +++ b/lib/dialyzer/test/map_SUITE_data/results/map_in_guard @@ -2,4 +2,3 @@ map_in_guard.erl:10: The call map_in_guard:assoc_update('not_a_map') will never return since it differs in the 1st argument from the success typing arguments: (#{}) map_in_guard.erl:13: The call map_in_guard:assoc_guard_clause('not_a_map') will never return since it differs in the 1st argument from the success typing arguments: (#{}) map_in_guard.erl:20: The call map_in_guard:exact_guard_clause(#{}) will never return since it differs in the 1st argument from the success typing arguments: (#{'a':='q'}) -map_in_guard.erl:35: Function raw_expr/0 has no local return |