How to reproduce:
1. Open the attached project “tilemapcompressboundsbugtest.zip“
2. Open the “SampleScene” Scene
3. Select the “tilemap_wall1“ GameObject (child of “grid“ GameObject) in the Hierarchy
4. Press “compress” in the Inspector
Expected result: The Editor doesn’t crash
Actual result: The Editor crashes
Reproducible with: 2020.3.47f1, 2021.3.22f1, 2022.2.15f1, 2023.1.0b11, 2023.2.0a10
Reproduced on: macOS 13.0.1 (Intel), Windows 10 (by reporter)
Note: The corrupted tile can be found by opening the SampleScene file via text editor and searching for a tile with an “m_TileIndex: 3651547248“ Index and a “m_TileSpriteIndex: 4294967295“ Sprite Index