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Xcode Crash报错
提示Message from debugger: Terminated due to signal 9
原因：
1 Memory usage is too high
2 CPU usage is too high
When memory or CPU usage is too high, the system will kill the process.
operate
Open the "Activity Monitor", check the programs that occupy too much CPU or memory, and click End. On my side, there are two web page processes occupying about 45% of the CPU respectively.
After finishing, run XCode and it will be normal.
Section:
https://blog.csdn.net/u010130947/article/details/105464441