bug #133283, #477728, #483789, #490573

backed out of broken minimal repeat patch from July

also fixed a couple of minor potential resource leaks in pattern_subx
(Guido had already fixed the big one)
diff --git a/Lib/test/re_tests.py b/Lib/test/re_tests.py
index d69b324..953e4fd 100755
--- a/Lib/test/re_tests.py
+++ b/Lib/test/re_tests.py
@@ -638,8 +638,14 @@
     (r'(?i)[m]+', 'MMM', SUCCEED, 'found', 'MMM'),
     # bug 130748: ^* should be an error (nothing to repeat)
     (r'^*', '', SYNTAX_ERROR),
-    # bug 133283: minimizing repeat bug
-    (r'"(?:\\"|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\"'),
+    # bug 133283: minimizing repeat problem
+    (r'"(?:\\"|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\""'),
+    # bug 477728: minimizing repeat problem
+    (r'^.*?$', 'one\ntwo\nthree\n', FAIL),
+    # bug 483789: minimizing repeat problem
+    (r'a[^>]*?b', 'a>b', FAIL),
+    # bug 490573: minimizing repeat problem
+    (r'^a*?$', 'foo', FAIL),
 ]
 
 try: