[clang-tools-extra] [llvm] [clang] [misc-coroutine-hostile-raii] Use getOperand instead of getCommonExpr. (PR #79206)

[Utkarsh Saxena via cfe-commits]

usx95 wrote:

Thanks. This is trivial and might not require another pair of eyes.

https://github.com/llvm/llvm-project/pull/79206