[clang] [llvm] [RFC][Coroutines] Implement HALO for coroutines that flow off final suspend (PR #185336)

[Chuanqi Xu via cfe-commits]

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@@ -1163,10 +1162,9 @@ static void handleNoSuspendCoroutine(coro::Shape &Shape) {
   auto *CoroBegin = Shape.CoroBegin;
   switch (Shape.ABI) {
   case coro::ABI::Switch: {
-    auto SwitchId = Shape.getSwitchCoroId();
-    auto *AllocInst = SwitchId->getCoroAlloc();
-    coro::replaceCoroFree(SwitchId, /*Elide=*/AllocInst != nullptr);
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ChuanqiXu9 wrote:

Does this changes semantics?

https://github.com/llvm/llvm-project/pull/185336