[libc-commits] [libcxx] [flang] [clang] [llvm] [compiler-rt] [libc] [Clang] Use correct base expression for counted_by field (#73168) (PR #73465)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers edited https://github.com/llvm/llvm-project/pull/73465