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Generic TObjectList layout has changed

TURBU Tech – I ran across a really strange bug at work yesterday: Access Violation when performing a certain operation in the program. These are usually really simple.  Easy to reproduce, and the debugger takes you right to the problem, and there you are, confronted by a nil that someone forgot to initialize properly.  Usually. This time, though, when I went to reproduce it, I was confronted by a read of an address around 80808080, which wasn’t what was in the stack trace from the exception report I got.  That’s what FastMM’s FullDebugMode uses to identify freed objects.  So OK, this is a ...
Favorite? Off-Topic? Mason Wheeler @ 2017-02-15 14:05


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