[pypy-svn] pypy default: Remove warning messages at the end of some tests,

[amauryfa]

Author: Amaury Forgeot d'Arc <amauryfa at gmail.com>
Branch: 
Changeset: r42323:573706bcbe9e
Date: 2011-02-27 21:45 +0100
http://bitbucket.org/pypy/pypy/changeset/573706bcbe9e/

Log:	Remove warning messages at the end of some tests, when
	LowLevelType.__eq__ always raises because some globals are reset to
	None.

diff --git a/pypy/rpython/lltypesystem/lltype.py b/pypy/rpython/lltypesystem/lltype.py
--- a/pypy/rpython/lltypesystem/lltype.py
+++ b/pypy/rpython/lltypesystem/lltype.py
@@ -21,6 +21,10 @@
         weakref.WeakValueDictionary.__init__(self, *args, **kwargs)
         remove_base = self._remove
         def remove(*args):
+            if safe_equal is None:
+                # The interpreter is shutting down, and the comparison
+                # function is already gone.
+                return
             if TLS is None: # Happens when the interpreter is shutting down
                 return remove_base(*args)
             nested_hash_level = TLS.nested_hash_level