--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.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 base_attr2
+
+class B
+special A
+ fun foo_b(a: A)
+ do
+ a1.output
+ #alt1#a1 = a
+ a2.output
+ #alt1#a2 = a
+ #alt1#a3.output
+ #alt1#a3 = a
+ a4.output
+ a4 = a
+ a5.output
+ a5 = a
+ #alt1#a6.output
+ a6 = a
+ a7.output
+ a7 = a
+ a8.output
+ a8 = a
+ #alt1#a9.output
+ a9 = a
+ a10.output
+ #alt1#a10 = a
+ a11.output
+ #alt1#a11 = a
+ #alt1#a12.output
+ #alt1#a12 = a
+
+ '\n'.output
+
+ a.a1.output
+ #alt2#a.a1 = a
+ #alt2#a.a2.output
+ #alt2#a.a2 = a
+ #alt2#a.a3.output
+ #alt2#a.a3 = a
+ a.a4.output
+ a.a4 = a
+ #alt2#a.a5.output
+ a.a5 = a
+ #alt2#a.a6.output
+ a.a6 = a
+ a.a7.output
+ #alt2#a.a7 = a
+ #alt2#a.a8.output
+ #alt2#a.a8 = a
+ #alt2#a.a9.output
+ #alt2#a.a9 = a
+ a.a10.output
+ #alt2#a.a10 = a
+ #alt2#a.a11.output
+ #alt2#a.a11 = a
+ #alt2#a.a12.output
+ #alt2#a.a12 = a
+
+ '\n'.output
+ end
+end
+
+fun foo2(a: A)
+do
+ a.a1.output
+ #alt3#a.a1 = a
+ #alt3#a.a2.output
+ #alt3#a.a2 = a
+ #alt3#a.a3.output
+ #alt3#a.a3 = a
+ a.a4.output
+ a.a4 = a
+ #alt3#a.a5.output
+ a.a5 = a
+ #alt3#a.a6.output
+ a.a6 = a
+ a.a7.output
+ #alt3#a.a7 = a
+ #alt3#a.a8.output
+ #alt3#a.a8 = a
+ #alt3#a.a9.output
+ #alt3#a.a9 = a
+ a.a10.output
+ #alt3#a.a10 = a
+ #alt3#a.a11.output
+ #alt3#a.a11 = a
+ #alt3#a.a12.output
+ #alt3#a.a12 = a
+
+ '\n'.output
+end
+
+fun foo3(a: B)
+do
+ a.a1.output
+ #alt4#a.a1 = a
+ #alt4#a.a2.output
+ #alt4#a.a2 = a
+ #alt4#a.a3.output
+ #alt4#a.a3 = a
+ a.a4.output
+ a.a4 = a
+ #alt4#a.a5.output
+ a.a5 = a
+ #alt4#a.a6.output
+ a.a6 = a
+ a.a7.output
+ #alt4#a.a7 = a
+ #alt4#a.a8.output
+ #alt4#a.a8 = a
+ #alt4#a.a9.output
+ #alt4#a.a9 = a
+ a.a10.output
+ #alt4#a.a10 = a
+ #alt4#a.a11.output
+ #alt4#a.a11 = a
+ #alt4#a.a12.output
+ #alt4#a.a12 = a
+
+ '\n'.output
+end
+
+var b = new B
+b.foo_b(b)
+foo2(b)
+foo3(b)