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-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl19
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 3effb1c2e6..f68472d2fc 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -314,6 +314,7 @@ traverse(Tree, DefinedVars, State) ->
error -> t_fun(length(Vars), t_none());
{ok, Dom} -> t_fun(Dom, t_none())
end,
+ TreeVar = mk_var(Tree),
State2 =
try
State1 = case state__add_prop_constrs(Tree, State0) of
@@ -321,20 +322,21 @@ traverse(Tree, DefinedVars, State) ->
PropState -> PropState
end,
{BodyState, BodyVar} = traverse(Body, DefinedVars1, State1),
- state__store_conj(mk_var(Tree), eq,
+ state__store_conj(TreeVar, eq,
t_fun(mk_var_list(Vars), BodyVar), BodyState)
catch
throw:error ->
- state__store_conj(mk_var(Tree), eq, FunFailType, State0)
+ state__store_conj(TreeVar, eq, FunFailType, State0)
end,
Cs = state__cs(State2),
- State3 = state__store_constrs(mk_var(Tree), Cs, State2),
- Ref = mk_constraint_ref(mk_var(Tree), get_deps(Cs)),
+ State3 = state__store_constrs(TreeVar, Cs, State2),
+ Ref = mk_constraint_ref(TreeVar, get_deps(Cs)),
OldCs = state__cs(State),
State4 = state__new_constraint_context(State3),
State5 = state__store_conj_list([OldCs, Ref], State4),
State6 = state__store_fun_arity(Tree, State5),
- {State6, mk_var(Tree)};
+ State7 = state__add_fun_to_scc(TreeVar, State6),
+ {State7, TreeVar};
'let' ->
Vars = cerl:let_vars(Tree),
Arg = cerl:let_arg(Tree),
@@ -580,7 +582,7 @@ handle_try(Tree, DefinedVars, State) ->
mk_conj_constraint_list([HandlerCs,
mk_constraint(TreeVar, eq, HandlerVar)]),
Disj = mk_disj_constraint_list([Conj1, Conj2]),
- {Disj, mk_var(Tree)};
+ {Disj, TreeVar};
{false, true} ->
{mk_conj_constraint_list([ArgBodyCs,
mk_constraint(TreeVar, eq, BodyVar)]),
@@ -2070,7 +2072,7 @@ new_state(SCC0, NextLabel, CallGraph, Plt, PropTypes) ->
NameMap = dict:from_list([{MFA, Var} || {MFA, {Var, _Fun}, _Rec} <- SCC0]),
SCC = [mk_var(Fun) || {_MFA, {_Var, Fun}, _Rec} <- SCC0],
#state{callgraph = CallGraph, name_map = NameMap, next_label = NextLabel,
- prop_types = PropTypes, plt = Plt, scc = SCC}.
+ prop_types = PropTypes, plt = Plt, scc = ordsets:from_list(SCC)}.
state__set_rec_dict(State, RecDict) ->
State#state{records = RecDict}.
@@ -2161,6 +2163,9 @@ get_apply_constr(FunLabels, Dst, ArgTypes, #state{callgraph = CG} = State) ->
state__scc(#state{scc = SCC}) ->
SCC.
+state__add_fun_to_scc(Fun, #state{scc = SCC} = State) ->
+ State#state{scc = ordsets:add_element(Fun, SCC)}.
+
state__plt(#state{plt = PLT}) ->
PLT.