macOS: Fix double-free of NSWindow
#359
| Job | Run time |
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| 8s | |
| 1m 15s | |
| 7m 19s | |
| 6m 41s | |
| 4m 29s | |
| 5m 33s | |
| 5m 41s | |
| 6m 55s | |
| 3m 52s | |
| 4m 8s | |
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| 4m 3s | |
| 6m 52s | |
| 4m 24s | |
| 1m 50s | |
| 3m 5s | |
| 45s | |
| 1m 51s | |
| 1m 25s | |
| 3m 2s | |
| 2m 16s | |
| 35s | |
| 34s | |
| 28s | |
| 2m 0s | |
| 1m 36s | |
| 2m 20s | |
| 2m 37s | |
| 57s | |
| 1m 32s | |
| 1m 25s | |
| 1m 20s | |
| 1m 23s | |
| 26s | |
| 45s | |
| 41s | |
| 1m 34s | |
| 1m 27s | |
| 1m 54s | |
| 1h 43m 14s |