[llvm-branch-commits] [NFC][asan] Better `___asan_gen_` names (PR #104728)

[Vitaly Buka via llvm-branch-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/104728

Use different suffixes for each of 3 types
of objects using `___asan_gen_`.