How to reproduce:
1. Create and open a new project
2. In the Package Manager, install the Collections and Mathematics packages
3. Import the “NativeListResizeTest.cs“ script into the project
4. Create a new GameObject in the Scene and attach the imported Script to it
5. Enter Play Mode
6. Observe the logs in the Console

Actual result: ‘Copied' and ‘Should copy' values don’t match (Copied number is almost always higher than ‘Should copy’ number)
Expected result: 'Copied’ and 'Should copy' values match

Reproducible in: 2023.1.0a1, 6000.0.64f1, 6000.3.1f1, 6000.4.0b1, 6000.5.0a3

Reproduced on: Windows 11 Pro (24H2)
Not reproduced on: No other environment tested