[clang] [compiler-rt] [llvm] [TSan] Add escape analysis for redundant instrumentation elimination (PR #169896)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

The description looks very irrelevant, as it focus on Tsan.
It should mention that the first user is Tsan, but I assume it's general analisys, other users are possible.

https://github.com/llvm/llvm-project/pull/169896