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Asked: 2026-05-24T11:06:23+00:00

How do I set a malloc_error_break in Xcode4? Also, I seem to be getting

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How do I set a malloc_error_break in Xcode4? Also, I seem to be getting this error malloc: *** error for object 0x4d80814: incorrect checksum for freed object - object was probably modified after being freed.

Is there anyway I can check what object 0x4d80814 is? It doesn’t show up in the variables list in the debugger.

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  1. Editorial Team

    I think this is how its done.

    • Click on the breakpoints navigator (looks like a sign post) on the top of the left bar on
      XCode 4.
    • On the bottom left hand corner there is a plus sign. Click on it.
    • Add Symbolic Breakpoint and set malloc_error_break as the symbol.
    • Click the next breakpoint button ( it looks like |> ) and is on the bottom panel. It will take you to the line that is causing the error.

    Usually it is caused by objects being created as subobjects of other objects that don’t exist yet (ie SKPhysicsBody being created before its spritenode exists)

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