Merge pull request #2 from Melissa0x1f992/use-bitsize-param

Use bitsize param

Author: Melissa0x1f992

.pre-commit-config.yaml

@@ -29,12 +29,12 @@ repos:
       - id: black
         name: Run Black on Tools/build/check_warnings.py
         files: ^Tools/build/check_warnings.py
-        language_version: python3.12
+        language_version: python3
         args: [--line-length=79]
       - id: black
         name: Run Black on Tools/jit/
         files: ^Tools/jit/
-        language_version: python3.12
+        language_version: python3
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0

Lib/test/test_ctypes/test_struct_fields.py

@@ -75,6 +75,12 @@ def __init_subclass__(cls, **kwargs):
                                     'ctypes state is not initialized'):
             class Subclass(BrokenStructure): ...
 
+    def test_gh126937(self):
+        class X(self.cls):
+            _fields_ = [('char', c_char),]
+        class Y(self.cls):
+            _fields_ = [('largeField', X * (2 ** 32))]
+
     # __set__ and __get__ should raise a TypeError in case their self
     # argument is not a ctype instance.
     def test___set__(self):