Bug #742342: make Python stop segfaulting on infinitely-recursive reload()s. Fixed by patch #922167.
Backported from r54291.
diff --git a/Lib/test/infinite_reload.py b/Lib/test/infinite_reload.py
new file mode 100644
index 0000000..bfbec91
--- /dev/null
+++ b/Lib/test/infinite_reload.py
@@ -0,0 +1,7 @@
+# For testing http://python.org/sf/742342, which reports that Python
+#  segfaults (infinite recursion in C) in the presence of infinite
+#  reload()ing. This module is imported by test_import.py:test_infinite_reload
+#  to make sure this doesn't happen any more.
+
+import infinite_reload
+reload(infinite_reload)
diff --git a/Lib/test/test_import.py b/Lib/test/test_import.py
index effba3c..ed97f84 100644
--- a/Lib/test/test_import.py
+++ b/Lib/test/test_import.py
@@ -222,3 +222,15 @@
         warnings.filters = oldfilters
 
 test_import_initless_directory_warning()
+
+def test_infinite_reload():
+     # Bug #742342 reports that Python segfaults (infinite recursion in C)
+     #  when faced with self-recursive reload()ing.
+
+     sys.path.insert(0, os.path.dirname(__file__))
+     try:
+         import infinite_reload
+     finally:
+         sys.path.pop(0)
+
+test_infinite_reload()