2 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/output/test_sre b/Lib/test/output/test_sre
index dbb6e93..64bacc4 100644
--- a/Lib/test/output/test_sre
+++ b/Lib/test/output/test_sre
@@ -1 +1,2 @@
 test_sre
+maximum recursion limit exceeded
diff --git a/Lib/test/test_sre.py b/Lib/test/test_sre.py
index 342c33d..2f16d29 100644
--- a/Lib/test/test_sre.py
+++ b/Lib/test/test_sre.py
@@ -264,6 +264,16 @@ for flags in [sre.I, sre.M, sre.X, sre.S, sre.L, sre.T, sre.U]:
     except:
         print 'Exception raised on flag', flags
 
+if verbose:
+    print 'Test engine limitations'
+
+# Try nasty case that overflows the straightforward recursive
+# implementation of repeated groups.
+try:
+    assert sre.match('(x)*', 50000*'x').span() == (0, 50000)
+except RuntimeError, v:
+    print v
+
 from re_tests import *
 
 if verbose: