[compiler-rt] [llvm] [MSan] Change overflow_size_tls type to IntPtrTy (PR #117689)

[via llvm-commits]

k-kashapov wrote:

@vitalybuka
Sorry, I didn't notice that the request wasn't merged. I have changed value type in `llvm-project/compiler-rt/lib/msan/msan.cpp` now.

https://github.com/llvm/llvm-project/pull/117689