Return early for dict if already deferred

Author: sterliakov

mypy/checkexpr.py

@@ -5275,9 +5275,15 @@ def fast_dict_type(self, e: DictExpr) -> Type | None:
         ctx = self.type_context[-1]
         if ctx:
             return None
+
+        if self.chk.current_node_deferred:
+            # Guarantees that all items will be Any, we'll reject it anyway.
+            return None
+
         rt = self.resolved_type.get(e, None)
         if rt is not None:
             return rt if isinstance(rt, Instance) else None
+
         keys: list[Type] = []
         values: list[Type] = []
         stargs: tuple[Type, Type] | None = None