42421066: Crash on SCNNode creation with SCNText for certain strings and chamferRadius (splitJoinFace)

[openradar-mirror]

Description

Area: SceneKit

Summary: Using a certain combination of text and chamferRadius makes SceneKit to crash

Steps to Reproduce:

            let text = SCNText(string: "ด", extrusionDepth: 4.0)
            text.chamferRadius = 0.2
            let textNode = SCNNode(geometry: text)

Expected Results: A node is created.

Acceptable Results: SCNNode(geometry:) returns nil, or geometry attribute is set to nil

Actual Results: SceneKit crashes

Version/Build: iOS 11 (all) iOS 12

Configuration: all iPhone and iPad

Product Version: Created: 2018-07-20T09:23:17.014170 Originated: 2018-07-20T00:00:00 Open Radar Link: http://www.openradar.me/42421066

[Sevenish]

Wow, just ran into this bug. Still not fixed !