[compiler-rt] [win/asan] Improve SharedReAlloc with HEAP_REALLOC_IN_PLACE_ONLY. (PR #132558)

[via llvm-commits]

bernhardu wrote:

@thurstond, sorry again for the delay and thanks for your patience.
Do you still like this to be configurable via ASAN_OPTIONS?
If yes, should the current behaviour stay the default (for now)?
With some name like "realloc_in_place_always_same_address" or "realloc_in_place_allow_other_address"?

https://github.com/llvm/llvm-project/pull/132558