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Hi all, I intend to add address sanitizer (un)poison calls to Recycler and ArrayRecycler since I spent a few hours tracking down a bug in the AMDGPU backend that turned out to be a use-after-free that would have been detected by asan if it weren't for the Recycler. See https://reviews.llvm.org/D25313. Naturally, such a change exposes a bunch of bugs or things that are dodgy and happen