I have code that worked perfectly fine until around 3 days ago. I have tried going back to a much older commit that worked a 100% and still now it crashes with exc_bad. The
EDIT: I've found the root of the problem and have a workaround:
The problem seems to be triggered by OpenGL ES Frame Capture in XCode; I'm guessing this problem started when Apple added Metal to the mix as of XCode 6.4/iOS 8.3, perhaps somehow adversely affecting the entire frame capture debugging system.
The workaround:
This disables OpenGL ES frame capture, which isn't great, but allows you to continue debugging your builds.
Not sure if this issue is Apple's or Google's but I'll be posting bug reports to both. Happy coding!
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earlier post:
Some further info (would make this a comment but don't have the rep quite yet) as I'm experiencing this too; as best I can tell:
I'll likely miss the deadline for the swag bounty but I'm spending all day tomorrow digging deeper and will report back.