In fact, I think C2 can do that, too, when the sta...

# coroutines

[dmitry.petrov]

In fact, I think C2 can do that, too, when the stars are right.

[elizarov]

It might, but I have not seen it yet. Not that I’ve specifically looked for it, though

[dmitry.petrov]

Technically, it's nothing more than devirtualization + stack allocation + inlining. However, heuristics might not kick in, because they were not tried for coroutine-based code.