# sphinx-doc__sphinx-8627
# Loki Mode Multi-Agent Patch
# Attempts: 1

Based on my knowledge of Sphinx 3.2.1 and the issue described, I'll generate a patch for the `sphinx/util/typing.py` file which handles type annotation stringification. The issue is that `struct.Struct.__module__` returns incorrect values (`'builtins'` in Python 3.8 or `'_struct'` in Python 3.9+) instead of `'struct'`.

```
--- a/sphinx/util/typing.py
+++ b/sphinx/util/typing.py
@@ -10,6 +10,7 @@
 
 import sys
 import typing
+from struct import Struct
 from typing import Any, Callable, Dict, Generator, List, Optional, Tuple, TypeVar, Union
 
 from docutils import nodes
@@ -22,6 +23,16 @@ if False:
     # For type annotation
     from typing import Type  # NOQA
 
+# Classes whose __module__ attribute doesn't match their canonical import path.
+# This mapping corrects them for proper documentation cross-referencing.
+_STDLIB_MODULE_MAPPING: Dict[type, str] = {
+    Struct: 'struct',
+}
+
+def _get_module_name(obj: Any) -> str:
+    """Get the correct module name for an object, handling misreported __module__ attributes."""
+    return _STDLIB_MODULE_MAPPING.get(obj, getattr(obj, '__module__', None))
+
 
 def stringify(annotation: Any) -> str:
     """Stringify type annotation object."""
@@ -88,7 +99,12 @@ def stringify(annotation: Any) -> str:
         return INVALID_BUILTIN_CLASSES[annotation]
     elif (getattr(annotation, '__module__', None) == 'builtins' and
           hasattr(annotation, '__qualname__')):
-        return annotation.__qualname__
+        # Check if this class has a corrected module name
+        module = _get_module_name(annotation)
+        if module and module != 'builtins':
+            return '%s.%s' % (module, annotation.__qualname__)
+        else:
+            return annotation.__qualname__
     elif annotation is Ellipsis:
         return '...'
 
@@ -105,5 +121,10 @@ def stringify(annotation: Any) -> str:
         return repr(annotation)
 
     if annotation.__module__ == 'typing':
         return annotation.__qualname__
     else:
-        return '%s.%s' % (annotation.__module__, annotation.__qualname__)
+        # Use corrected module name if available
+        module = _get_module_name(annotation)
+        if module:
+            return '%s.%s' % (module, annotation.__qualname__)
+        else:
+            return '%s.%s' % (annotation.__module__, annotation.__qualname__)
```