Fix for SF bug [ #443866 ] Evaluating func_code causing core dump

Add test that calls eval with a code object that has free variables.

Lib/test/output/test_scope

@@ -19,3 +19,4 @@ test_scope
 18. verify that locals() works
 19. var is bound and free in class
 20. interaction with trace function
+20. eval with free variables

Lib/test/test_scope.py

@@ -465,3 +465,16 @@ class TestClass:
 sys.settrace(tracer)
 adaptgetter("foo", TestClass, (1, ""))
 sys.settrace(None)
+
+print "20. eval with free variables"
+
+def f(x):
+    return lambda: x + 1
+
+g = f(3)
+try:
+    eval(g.func_code)
+except TypeError:
+    pass
+else:
+    print "eval() should have failed, because code contained free vars"