Only clean up on Capacity change

IronLanguages · Jan 26, 2025 · 20c5732 · 20c5732
1 parent 7a92772
commit 20c5732
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/core/IronPython/Runtime/Types/PythonType.cs b/src/core/IronPython/Runtime/Types/PythonType.cs
@@ -2498,7 +2498,9 @@ private void AddSubType(PythonType subtype) {
             }
 
             lock (_subtypesLock) {
-                _subtypes.RemoveAll(x => !x.TryGetTarget(out _)); // remove dead entries
+                if (_subtypes.Count == _subtypes.Capacity) {
+                    _subtypes.RemoveAll(x => !x.TryGetTarget(out _)); // remove dead entries
+                }
                 _subtypes.Add(new WeakReference<PythonType>(subtype));
             }
         }