How to reproduce:
1. Open the attached “IN-114839“ project
2. Open the “CJKBug“ scene
3. In the Hierarchy window, navigate to “Canvas > Text (TMP)“
4. In the Inspector window, navigate to the Content Size Fitter component
5. Set the value to the Horizontal Fit to “Min Size“
6. Observe the freeze

Reproducible with: 6000.0.57f1, 6000.0.59f1, 6000.2.7f1, 6000.3.0b4, 6000.4.0a1
Not reproducible with: 2023.1.0a1, 6000.0.56f1

Reproducible on: MacOS 15.6.1 (M4), Windows 11 (by user)
Not reproducible on: No other environments tested

Note: The freeze occurs when two consecutive ellipses (……) are followed by non-punctuation Chinese/Japanese/Korean characters (for example, "……一" or "……了")