When my app crashes, instead of seeing what line caused, I see a window that prints all unreadable byte code. I used to be able to see what line it crashed on, but I must have changed something. Here's a screen shot:
What setting can I change to have XCode show me where my app crashed?
UNcheck the "Show Disassembly When Debugging" menu option:
The inverse of the above; if you want to show disassembly for the current debug location, you can use this drop-down menu: