[PATCH] D45121: [coroutines] Add noop_coroutine to <experimental/coroutine>

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added inline comments.


================
Comment at: include/experimental/coroutine:288
+
+    coroutine_handle() {
+      this->__handle_ = __builtin_coro_noop();
----------------
Can `__builtin_coro_noop` produce a constant expression?


https://reviews.llvm.org/D45121