[NFC] Eliminate use of `lookupLLVMIntrinsicByName` in Coroutines#114851

jurahul merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

jurahul:fixup_isCoroutineIntrinsicNamejurahul/llvm-project:fixup_isCoroutineIntrinsicNameCopy head branch name to clipboard