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-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl12
-rw-r--r--lib/stdlib/src/erl_lint.erl2
2 files changed, 2 insertions, 12 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl b/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl
deleted file mode 100644
index 70059f73b6..0000000000
--- a/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl
+++ /dev/null
@@ -1,12 +0,0 @@
--module(maps_redef).
-
--export([t/0]).
-
-%% OK in Erlang/OTP 17, at least.
-
--type map() :: atom(). % redefine built-in type
-
--spec t() -> map().
-
-t() ->
- a. % OK
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 7e5535f41e..b14102ac38 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -2653,6 +2653,8 @@ find_field(_F, []) -> error.
%% Attr :: 'type' | 'opaque'
%% Checks that a type definition is valid.
+-dialyzer({no_match, type_def/6}).
+
type_def(Attr, Line, TypeName, ProtoType, Args, St0) ->
TypeDefs = St0#lint.types,
Arity = length(Args),