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I have a BOOL instance variable which -for some reason- some time later always reads NO even if I set it to YES (Yes, I am not so stupid to write or read the wrong variable, trust me). I spent an hour searching my whole project for any possibilities where that variable might be set to NO but can’t find it.
Is there a way to trace changes of it’s value, i.e. to let the debugger halt at exactly the position where the variable is about to be modified?
Found a solution without hacking the code:
Launch debugger with breakpoints enabled
Set a breakpoint at some point where the variable in question is in scope
Run. When it halts, inspect the debugger and find that variable.
Right-click on it and choose “Watch Variable”.