diff options
| -rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 8367432ac5..f6433a807d 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -3116,7 +3116,10 @@ state__add_warning(#state{warnings = Warnings, warning_mode = true} = State, state__remove_added_warnings(OldState, NewState) -> #state{warnings = OldWarnings} = OldState, #state{warnings = NewWarnings} = NewState, - {NewWarnings -- OldWarnings, NewState#state{warnings = OldWarnings}}. + case NewWarnings =:= OldWarnings of + true -> {[], NewState}; + false -> {NewWarnings -- OldWarnings, NewState#state{warnings = OldWarnings}} + end. state__add_warnings(Warns, #state{warnings = Warnings} = State) -> State#state{warnings = Warns ++ Warnings}. |