Fix nested lock acquisition in inplace operations

Cython/Compiler/Pipeline.py

@@ -212,9 +212,9 @@ def create_pipeline(context, mode, exclude_classes=()):
         _check_c_declarations,
         InlineDefNodeCalls(context),
         AnalyseExpressionsTransform(context),
-        CypclassLockTransform(context),
         FindInvalidUseOfFusedTypes(context),
         ExpandInplaceOperators(context),
+        CypclassLockTransform(context),
         IterationTransform(context),
         SwitchTransform(context),
         OptimizeBuiltinCalls(context),  ## Necessary?