Sometimes it show up sometimes it doesn’t
I wonder why.
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LLDB appears to be not as good as GDB at showing the correct state of variables – e.g. sometimes, often near the start of methods, LLDB fails to figure out the type of
selfand you cannot see the instance variables; whereas GDB with the same code is fine.There are sometimes other reasons; to do with accessing memory, locks, etc.; that a debugger cannot show you variables.
Whether your particular case is LLDB failing or one of those cases when GDB also would fail I cannot say, but if this is hitting you a lot in a particular project switching to GDB might be worth it for the project.