add proxy2 test

test/VM-test.cpp

@@ -2818,6 +2818,8 @@ TEST_RUN_LINES(vm, char_issue4, "=")
 
 TEST_SINGLE_FILE(vm, issue_star_dict, "test/python/issue/issue_star_dict.py")
 
+TEST_SINGLE_FILE_PASS(vm, proxy2, "test/python/proxy/proxy2.py")
+
 #endif
 
 TEST_END

test/python/proxy/proxy2.py

@@ -0,0 +1,24 @@
+
+_dict = {}
+
+class TestProxy:
+    def __getattr__(self, name):
+        return _dict[name]
+    
+
+    def __setattr__(self, name, value):
+        _dict[name] = value
+
+
+test = TestProxy()
+test.A = 10
+assert test.A == 10
+
+class Test:
+    proxy = TestProxy()
+
+test2 = Test()
+test2.proxy.B = 20
+assert test2.proxy.B == 20
+
+print('PASS')