Add test for eval() w/ free variables.

Related to SF bug #505315
diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index 85cfed4..f39bbc2 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -512,3 +512,13 @@
     print bad
 except NameError:
     pass
+
+print "22. eval with free variables"
+
+def f(x):
+    def g():
+        x
+        eval("x + 1")
+    return g
+
+f(4)()