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-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl6
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl12
2 files changed, 12 insertions, 6 deletions
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index a4b42c9367..9993c68fed 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -165,7 +165,11 @@ analysis_start(Parent, Analysis, LegalWarnings) ->
remote_type_postprocessing(TmpCServer, Args) ->
Fun = fun() ->
- exit(remote_type_postproc(TmpCServer, Args))
+ exit(try remote_type_postproc(TmpCServer, Args) of
+ R -> R
+ catch
+ throw:{error,_}=Error -> Error
+ end)
end,
{Pid, Ref} = erlang:spawn_monitor(Fun),
dialyzer_codeserver:give_away(TmpCServer, Pid),
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index c4d8f45447..d03326ec97 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -41,7 +41,7 @@
t_is_float/1, t_is_fun/1,
t_is_integer/1, t_non_neg_integer/0,
t_is_list/1, t_is_nil/1, t_is_none/1, t_is_number/1,
- t_is_singleton/1,
+ t_is_singleton/1, t_is_none_or_unit/1,
t_limit/2, t_list/0, t_list/1,
t_list_elements/1, t_nonempty_list/1, t_maybe_improper_list/0,
@@ -528,13 +528,14 @@ traverse(Tree, DefinedVars, State) ->
false -> t_any();
true ->
MT = t_inf(lookup_type(MapVar, Map), t_map()),
- case t_is_none(MT) of
+ case t_is_none_or_unit(MT) of
true -> t_none();
false ->
DisjointFromKeyType =
fun(ShadowKey) ->
- t_is_none(t_inf(lookup_type(ShadowKey, Map),
- KeyType))
+ ST = t_inf(lookup_type(ShadowKey, Map),
+ KeyType),
+ t_is_none_or_unit(ST)
end,
case lists:all(DisjointFromKeyType, ShadowKeys) of
true -> t_map_get(KeyType, MT);
@@ -567,7 +568,8 @@ traverse(Tree, DefinedVars, State) ->
case cerl:is_literal(OpTree) andalso
cerl:concrete(OpTree) =:= exact of
true ->
- case t_is_none(t_inf(ShadowedKeys, KeyType)) of
+ ST = t_inf(ShadowedKeys, KeyType),
+ case t_is_none_or_unit(ST) of
true ->
t_map_put({KeyType, t_any()}, AccType);
false ->