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-rw-r--r--lib/asn1/src/asn1ct_check.erl10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index 5019114bec..fe1b2e14a8 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -3262,7 +3262,7 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) ->
inlined=IsInlined},
TestFun =
fun(Tref) ->
- {_,MaybeChoice} = get_referenced_type(S,Tref),
+ MaybeChoice = get_non_typedef(S, Tref),
case catch((MaybeChoice#typedef.typespec)#type.def) of
{'CHOICE',_} ->
maybe_illicit_implicit_tag(choice,Tag);
@@ -3617,6 +3617,14 @@ check_type(S=#state{recordtopname=TopName},Type,Ts) when is_record(Ts,type) ->
check_type(_S,Type,Ts) ->
exit({error,{asn1,internal_error,Type,Ts}}).
+get_non_typedef(S, Tref0) ->
+ case get_referenced_type(S, Tref0) of
+ {_,#typedef{typespec=#type{def=#'Externaltypereference'{}=Tref}}} ->
+ get_non_typedef(S, Tref);
+ {_,Type} ->
+ Type
+ end.
+
%% tablecinf_choose. A SEQUENCE or SET may be inserted in another
%% SEQUENCE or SET by the COMPONENTS OF directive. If this inserted
%% type is a referenced type that already has been checked it already