From 8ba3b32de9548ddfc4194d2e7825d6c78bcb37ec Mon Sep 17 00:00:00 2001
From: Kenneth Lundin <kenneth@erlang.org>
Date: Fri, 4 Mar 2011 12:38:24 +0100
Subject: Fixed crash in asn1ct_check occuring for SEQUENCE with extension mark
 and component relation attribute.

---
 lib/asn1/src/asn1ct_check.erl          |  8 ++++---
 lib/asn1/test/asn1_SUITE.erl.src       |  1 +
 lib/asn1/test/asn1_SUITE_data/CAP.asn1 | 41 ++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+), 3 deletions(-)
 create mode 100644 lib/asn1/test/asn1_SUITE_data/CAP.asn1

diff --git a/lib/asn1/src/asn1ct_check.erl b/lib/asn1/src/asn1ct_check.erl
index 8b1ee6e601..efd731f052 100644
--- a/lib/asn1/src/asn1ct_check.erl
+++ b/lib/asn1/src/asn1ct_check.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -6176,7 +6176,6 @@ componentrelation_leadingattr(_,[],_CompList,[],NewCompList) ->
     {false,lists:reverse(NewCompList)};
 componentrelation_leadingattr(_,[],_CompList,LeadingAttr,NewCompList) ->
     {lists:last(LeadingAttr),lists:reverse(NewCompList)}; %send all info in Ts later
-
 componentrelation_leadingattr(S,[C= #'ComponentType'{}|Cs],CompList,Acc,CompAcc) ->
     {LAAcc,NewC} =
 	case catch componentrelation1(S,C#'ComponentType'.typespec,
@@ -6229,7 +6228,10 @@ componentrelation_leadingattr(S,[C= #'ComponentType'{}|Cs],CompList,Acc,CompAcc)
 		{[],C}
 	end,
     componentrelation_leadingattr(S,Cs,CompList,LAAcc++Acc,
-				  [NewC|CompAcc]).
+				  [NewC|CompAcc]);
+componentrelation_leadingattr(S,[NotComponentType|Cs],CompList,LeadingAttr,NewCompList) ->
+    componentrelation_leadingattr(S,Cs,CompList,LeadingAttr,[NotComponentType|NewCompList]).
+
 
 object_set_mod_name(_S,ObjSet) when is_atom(ObjSet) ->
     ObjSet;
diff --git a/lib/asn1/test/asn1_SUITE.erl.src b/lib/asn1/test/asn1_SUITE.erl.src
index e1a09adc82..fd0bae34c8 100644
--- a/lib/asn1/test/asn1_SUITE.erl.src
+++ b/lib/asn1/test/asn1_SUITE.erl.src
@@ -2327,6 +2327,7 @@ ber_modules() ->
 test_modules() ->
     _Modules = [
 	       "BitStr",
+	       "CAP",
 	       "CommonDataTypes",
 	       "Constraints",
 	       "ContextSwitchingTypes",
diff --git a/lib/asn1/test/asn1_SUITE_data/CAP.asn1 b/lib/asn1/test/asn1_SUITE_data/CAP.asn1
new file mode 100644
index 0000000000..69d8486d3b
--- /dev/null
+++ b/lib/asn1/test/asn1_SUITE_data/CAP.asn1
@@ -0,0 +1,41 @@
+CAP {ccitt(0) identified-organization(4) etsi(0) mobileDomain(0) umts-network(1) modules(3) cap-datatypes(52) version3(2)}
+
+DEFINITIONS IMPLICIT TAGS ::=
+
+BEGIN
+
+EXTENSION ::= CLASS {
+  &ExtensionType,
+  &criticality    CriticalityType DEFAULT ignore,
+  &id        Code
+  }
+WITH SYNTAX {
+  EXTENSION-SYNTAX    &ExtensionType
+  CRITICALITY        &criticality
+  IDENTIFIED BY        &id
+  }
+
+ExtensionField     ::= SEQUENCE {
+  type        EXTENSION.&id    ({SupportedExtensions }),
+  criticality    CriticalityType        DEFAULT ignore,
+  value        [1] EXTENSION.&ExtensionType    ({SupportedExtensions }{@type}),
+  ...}
+
+SupportedExtensions  EXTENSION ::= {firstExtension, ...}
+
+firstExtension EXTENSION ::= {
+      EXTENSION-SYNTAX    NULL
+  CRITICALITY              ignore
+  IDENTIFIED BY        global : {itu-t(0) identified-organization(4) organisation(0) gsm(1)
+                      capextension(2)}}
+
+CriticalityType  ::= ENUMERATED {
+      ignore    (0),
+      abort     (1)
+      }
+
+Code ::= CHOICE {local   INTEGER,
+               global  OBJECT IDENTIFIER}
+
+
+END
-- 
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