Fix 2.1 nested scopes crash reported by Evan Simpson
The new test case demonstrates the bug. Be more careful in
symtable_resolve_free() to add a var to cells or frees only if it
won't be added under some other rule.
XXX Add new assertion that will catch this bug.
diff --git a/Lib/test/output/test_scope b/Lib/test/output/test_scope
index af7fe31..fcd4e7a 100644
--- a/Lib/test/output/test_scope
+++ b/Lib/test/output/test_scope
@@ -17,3 +17,4 @@
16. check leaks
17. class and global
18. verify that locals() works
+19. var is bound and free in class
diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index 358c45a..c42d881 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -436,3 +436,14 @@
del d['h']
verify(d == {'x': 2, 'y': 7, 'w': 6})
+print "19. var is bound and free in class"
+
+def f(x):
+ class C:
+ def m(self):
+ return x
+ a = x
+ return C
+
+inst = f(3)()
+verify(inst.a == inst.m())