Index: C:/boo-new/src/Boo.Lang.Compiler/Steps/ProcessMethodBodies.cs
===================================================================
--- C:/boo-new/src/Boo.Lang.Compiler/Steps/ProcessMethodBodies.cs	(revision 2036)
+++ C:/boo-new/src/Boo.Lang.Compiler/Steps/ProcessMethodBodies.cs	(working copy)
@@ -4870,6 +4870,20 @@
 						}
 						break;
 					}
+					case NodeType.ClassDefinition:
+					case NodeType.StructDefinition:
+					case NodeType.InterfaceDefinition:
+					case NodeType.EnumDefinition:
+					{
+						if (WasVisited(node)) break;
+						
+						//visit dependent attributes such as EnumeratorItemType
+						foreach(Attribute att in ((TypeDefinition)node).Attributes)
+						{
+							VisitMemberForTypeResolution(att);
+						}
+						break;
+					}
 				}
 			}
 		}
Index: C:/boo-new/tests/testcases/regression/BOO-650-1.boo
===================================================================
--- C:/boo-new/tests/testcases/regression/BOO-650-1.boo	(revision 0)
+++ C:/boo-new/tests/testcases/regression/BOO-650-1.boo	(revision 0)
@@ -0,0 +1,59 @@
+"""
+Homer
+Eric
+Eric
+"""
+
+import System
+import System.Collections
+import System.Reflection
+
+[Module]
+class MyClass:
+    public static def Main(argv as (string)):
+        c = FooCollection() //FooCollection's enumeratoritemtype visited now
+        c.Add(Foo("Homer"))
+        c.Add(Foo("Eric"))
+        for foo in c:
+                print(foo.Name)
+        print c[1].Name
+
+class Foo:
+        [getter(Name)]
+        _name as string
+
+        def constructor(name as string):
+                _name = name 
+		
+
+[EnumeratorItemType(Foo)]
+[DefaultMember("Item")]
+class FooCollection(ICollection):
+
+        _items = []
+
+        SyncRoot:
+                get:
+                        return _items.SyncRoot
+
+        Count:
+                get:
+                        return len(_items)
+
+        IsSynchronized:
+                get:
+                        return _items.IsSynchronized
+
+        def CopyTo(target as Array, index as int):
+                _items.CopyTo(target, index)
+
+        def GetEnumerator():
+                return _items.GetEnumerator()
+
+        def Add([required] item as Foo):
+                _items.Add(item)
+
+        Item(index as int) as Foo:
+                get:
+                        return _items[index] 
+