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4f240010fd
Instead of aligning and moving the CurPtr forward, and then comparing with End, simply calculate how much space is needed, and compare that to how much is available. Hopefully this avoids any doubts about comparing addresses possibly derived from past the end of the slab array, overflowing, etc. Also add a test where aligning CurPtr would move it past End. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217330 91177308-0d34-0410-b5e6-96231b3b80d8
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