parse.py: small optimization

DHParser/parse.py

@@ -504,15 +504,13 @@ class Parser:
 
             if node is not None:
                 node._pos = location
+            if not grammar.returning_from_recursion__:
                 if (grammar.memoization__
-                    and not grammar.returning_from_recursion__
                         # Variable-manipulating parsers will not be entered into the cache,
                         # because caching would interfere with changes of variable state.
                         # See `_rollback_location()` for the added compensation term.
                         and location > grammar.last_rb__loc__ + int(text._len == rest._len)):
                     visited[location] = (node, rest)
-
-            if not grammar.returning_from_recursion__:
                 grammar.returning_from_recursion__ = recursion_state
 
         except RecursionError: