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b3452d90b0
When a zero-byte allocation is requested, ASan actually allocates 1-byte for compatibility. This change poisons that byte, to detect dereferences. Also updates the test from #155933
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================