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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Developer Center > Why does this code crash when compiled with Apple LLVM, but not in GCC?

Why does this code crash when compiled with Apple LLVM, but not in GCC?
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Join Date: Jan 2001
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Sep 21, 2013, 12:02 AM
I'm trying to get this code compiling under Apple LLVM in Xcode 4 or 5. It works when compiled with GCC, but crashes in the mouseDown method when switched to Apple LLVM on line 198:

NSRect knobRect = _AFSwitchControlKnobRectForInsetBackground(slotRect, _offset);
Because _offset is not set. It's suppose to be set in the bind method with this line:

[self setOffset:(CGFloat)[self state]];
But it appears that nothing is being set under LLVM for some reason. My binding call looks like:

[control bind:NSValueBinding toObject:self withKeyPath:@"isToggleSwitchOn" options:nil];
Any ideas why the control's state is not returning anything under LLVM? Thanks!
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