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

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL approved this pull request.

LGTM.
But please note that I'm not too familiar with coroutines.


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