[compiler-rt] [asan] Fix `unknown-crash` reported for multi-byte errors (PR #144480)

[via llvm-commits]

wxwern wrote:


> We need a test for that

> > The above example doesn't reproduce the issue on clang as it reports errors via different pathways:
> 
> You can probably trigger that path through ACCESS_MEMORY_RANGE and INTERCEPTORs?

Thanks, will look into it. I've not written tests as I haven't found a way to reproduce this via `clang`.


https://github.com/llvm/llvm-project/pull/144480