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-rw-r--r--lib/stdlib/src/erl_lint.erl5
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl27
2 files changed, 28 insertions, 4 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 7c064ce902..39cc03cf7a 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -1046,9 +1046,10 @@ check_undefined_types(#lint{usage=Usage,types=Def}=St0) ->
Used = Usage#usage.used_types,
UTAs = dict:fetch_keys(Used),
Undef = [{TA,dict:fetch(TA, Used)} ||
- TA <- UTAs,
+ {T,_}=TA <- UTAs,
not dict:is_key(TA, Def),
- not is_default_type(TA)],
+ not is_default_type(TA),
+ not is_newly_introduced_var_arity_type(T)],
foldl(fun ({TA,L}, St) ->
add_error(L, {undefined_type,TA}, St)
end, St0, Undef).
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index d9512c0ef4..ea61b2082b 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -52,7 +52,7 @@
guard/1, otp_4886/1, otp_4988/1, otp_5091/1, otp_5276/1, otp_5338/1,
otp_5362/1, otp_5371/1, otp_7227/1, otp_5494/1, otp_5644/1, otp_5878/1,
otp_5917/1, otp_6585/1, otp_6885/1, otp_10436/1, otp_11254/1,
- otp_11772/1, otp_11771/1,
+ otp_11772/1, otp_11771/1, otp_11872/1,
export_all/1,
bif_clash/1,
behaviour_basic/1, behaviour_multiple/1,
@@ -88,7 +88,7 @@ all() ->
otp_4886, otp_4988, otp_5091, otp_5276, otp_5338,
otp_5362, otp_5371, otp_7227, otp_5494, otp_5644,
otp_5878, otp_5917, otp_6585, otp_6885, otp_10436, otp_11254,
- otp_11772, otp_11771, export_all,
+ otp_11772, otp_11771, otp_11872, export_all,
bif_clash, behaviour_basic, behaviour_multiple,
otp_7550, otp_8051, format_warn, {group, on_load},
too_many_arguments, basic_errors, bin_syntax_errors, predef,
@@ -2630,6 +2630,29 @@ otp_11771(Config) when is_list(Config) ->
[]} = run_test2(Config, Ts, []),
ok.
+otp_11872(doc) ->
+ "OTP-11872. The type map() undefined when exported.";
+otp_11872(suite) -> [];
+otp_11872(Config) when is_list(Config) ->
+ Ts = <<"
+ -module(map).
+
+ -compile(export_all).
+
+ -export_type([map/0, product/0]).
+
+ -opaque map() :: dict().
+
+ -spec t() -> map().
+
+ t() ->
+ 1.
+ ">>,
+ {error,[{6,erl_lint,{undefined_type,{product,0}}}],
+ [{8,erl_lint,{new_var_arity_type,map}}]} =
+ run_test2(Config, Ts, []),
+ ok.
+
export_all(doc) ->
"OTP-7392. Warning for export_all.";
export_all(Config) when is_list(Config) ->