NSData.alloc().initWithBase64Encoding_ segfaults on OSX 10.15 beta (19A546d)
*Created originally on Bitbucket by [flindeberg (Fredrik Lindeberg)](https://bitbucket.org/%7Bc1460d37-cb73-46fc-b2c6-8c6129823c7d%7D/)*
Segfaults, both with .app and running the python script directly. Note Beta version of OSX.
Snippet from log:
```shell
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000038
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [8163]
```
Stack indicates it crashed quite directly on start \(see attachments\).
issue