MNT enable 3.14 recursion test+simplify recursion detection (#573)

Author: tomMoral

cloudpickle/cloudpickle.py

@@ -1301,12 +1301,9 @@ def _function_getnewargs(self, func):
     def dump(self, obj):
         try:
             return super().dump(obj)
-        except RuntimeError as e:
-            if len(e.args) > 0 and "recursion" in e.args[0]:
-                msg = "Could not pickle object as excessively deep recursion required."
-                raise pickle.PicklingError(msg) from e
-            else:
-                raise
+        except RecursionError as e:
+            msg = "Could not pickle object as excessively deep recursion required."
+            raise pickle.PicklingError(msg) from e
 
     def __init__(self, file, protocol=None, buffer_callback=None):
         if protocol is None:

tests/cloudpickle_test.py

@@ -2513,19 +2513,13 @@ def inner_function():
         sys.version_info < (3, 9),
         reason="Can cause CPython 3.8 to segfault",
     )
-    @pytest.mark.skipif(
-        sys.version_info > (3, 14),
-        reason="Can cause CPython 3.14 interpreter to crash",
-        # This interpreter crash is reported upstream in
-        # https://github.com/python/cpython/issues/131543
-    )
     def test_recursion_during_pickling(self):
         class A:
             def __getattribute__(self, name):
                 return getattr(self, name)
 
         a = A()
-        with pytest.raises(pickle.PicklingError, match="recursion"):
+        with pytest.raises(pickle.PicklingError, match="deep recursion"):
             cloudpickle.dumps(a)
 
     def test_out_of_band_buffers(self):