[compiler-rt] [scudo] Move ALWAYS_INLINE up in tsd_shared's ScopedTSD ctor (PR #81982)

[via llvm-commits]

ChiaHungDuan wrote:

Can you add more details about the performance regression in the description? Besides, please do the related change to the tsd_exclusive as well. Thanks

https://github.com/llvm/llvm-project/pull/81982