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ab0b26e876
allocators This adds various bindings to the asan runtime which can be used to poison/unpoison memory handed out by various allocators. This means we can catch use after free memory bugs when using operations such as free_all during runtime. Asan poisoning are added for the follow allocators in mem: Arena (including temporary arenas) Scratch Stack Small_Stack Additionally a bug in the stack allocator was fixed to disallow freeing in the middle of the stack (caught by the asan!). I plan on adding support for all the allocators in core. This is just a good starting point and were some of the easiest ones to implement asan for.