--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2009 Jean Privat <jean@pryen.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import kernel
+
+var a = 1
+1.output
+while a == 1 do
+ a = 2
+ 2.output
+ while a == 2 do
+ a = 3
+ 3.output
+ while false do end label l3
+ #alt1#break label l2
+ #alt2#break label l3
+ #alt3#break label l4
+ #alt4#break
+ #alt5#continue label l1
+ break label l1
+ 4.output
+ end label l2#!alt6#
+ #alt6#end label l1
+ 5.output
+end label l1
+6.output
+
+#alt7#while false do end label l1