[compiler-rt] [asan] Fix `unknown-crash` being reported for multi-byte errors, and incorrect memory access addresses being reported (PR #144480)

[Florian Mayer via llvm-commits]

https://github.com/fmayer commented:

Please merge the tests and just set the different defines on the clang command line (and use different FileCheck prefixes)

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