[Asan] Skip pre-split coroutine and noop coroutine frame (#99415)

CoroSplit expects the second parameter of `llvm.coro.id` to be the
promise alloca. Applying Asan on a pre-split coroutine breaks this
assumption and causes split to fail. This should be NFC because asan
pass happens late in the pipeline where all coroutines are split. This
is to prevent crash in case the order of passes are switched.

Also `NoopCoro.Frame.Const` is a special coroutine frame that does
nothing when resumed or destroyed. There is no point to do
instrumentation on it.

0 files changed, 0 insertions, 0 deletions