[PATCH] D102442: scudo: Fix MTE error reporting for zero-sized allocations.

[Peter Collingbourne via Phabricator via llvm-commits]

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With zero-sized allocations we don't actually end up storing the
address tag to the memory tag space, so store it in the first byte of
the chunk instead so that we can find it later in getInlineErrorInfo().


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102442

Files:
  compiler-rt/lib/scudo/standalone/combined.h

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