fix closure ordering bug for locals()

src/codegen/unwinding.cpp

@@ -645,7 +645,10 @@ BoxedDict* getLocals(bool only_user_visible, bool includeClosure) {
                     Box* val = closure->attrs.attr_list->attrs[offset];
                     ScopeInfo* scope_info = cf->clfunc->source->getScopeInfo();
                     if (val != NULL && scope_info->refersToClosure(scope_info->internString(name))) {
-                        d->d[boxString(name)] = val;
+                        Box* boxedName = boxString(name);
+                        if (d->d.count(boxedName) == 0) {
+                            d->d[boxString(name)] = val;
+                        }
                     }
                 }
             }

test/tests/locals_test.py

@@ -40,3 +40,19 @@ def f4(t):
     print sorted(locals().items())
 f4(0)
 f4(1)
+
+def f5():
+    a = 0
+    b = 1
+    def g():
+        print a
+        def h():
+            a = 2
+            def i():
+                print a
+                print b
+                print sorted(locals().items())
+            i()
+        h()
+    g()
+f5()