diff -r 23459df0753e Lib/test/support/__init__.py
--- a/Lib/test/support/__init__.py	Wed Nov 27 02:26:54 2013 -0800
+++ b/Lib/test/support/__init__.py	Wed Nov 27 11:52:17 2013 -0700
@@ -26,6 +26,7 @@
 import struct
 import tempfile
 import _testcapi
+import stat
 
 try:
     import _thread, threading
@@ -317,7 +318,11 @@
         def _rmtree_inner(path):
             for name in os.listdir(path):
                 fullname = os.path.join(path, name)
-                if os.path.isdir(fullname):
+                try:
+                    mode = os.lstat(fullname).st_mode
+                except OSError:
+                    mode = 0
+                if stat.S_ISDIR(mode):
                     _waitfor(_rmtree_inner, fullname, waitall=True)
                     os.rmdir(fullname)
                 else: