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Changed by [EMAIL PROTECTED]

http://bugzilla.ximian.com/show_bug.cgi?id=77596

--- shadow/77596        2007-07-20 10:26:56.000000000 -0400
+++ shadow/77596.tmp.2741       2007-07-20 10:40:30.000000000 -0400
@@ -255,6 +255,24 @@
 }
 
 No matter what (before the patch), on shutdown image A or B will be
 unloaded before the other leading to a type from one image referencing
 a type from a freed mempool.
 
+
+------- Additional Comments From [EMAIL PROTECTED]  2007-07-20 10:40 -------
+Actually, this "fix" would operate when System.dll is removed, not
+when System.Xml.dll is removed.  So, it doesn't matter where the check
+is :-)
+
+Also, in your case, the current code ensures that either type is
+removed when either of A or B is unloaded.
+
+The issue I'm worried about, and which makes this fix incomplete, is:
+
+A.dll: class Foo<T>
+B.dll: [A]Foo<int>
+C.dll: [A]Foo<int>
+
+and suppose you unload 'B.dll', and unluckily enough, the cache
+contains the type allocated in B's image...
+
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